adv. Above the board or table. Hence: in open sight; without trick, concealment, or deception. “Fair and aboveboard.” Burke. [ 1913 Webster ]

☞ This expression is said by Johnson to have been borrowed from gamesters, who, when they change their cards, put their hands under the table. [ 1913 Webster ]

adv. On horseback. [ 1913 Webster ]

Two suspicious fellows ahorseback. Smollet. [ 1913 Webster ]

prop. n. [ Ar. al-debarān, fr. dabar to follow; so called because this star follows upon the Pleiades. ] (Astron.) A red star of the first magnitude, situated in the eye of Taurus; the Bull's Eye. It is the bright star in the group called the Hyades. [ 1913 Webster ]

Now when Aldebaran was mounted high
Above the shiny Cassiopeia's chair. Spenser. [ 1913 Webster ]

n. A bench in or before an alehouse. Bunyan. [ 1913 Webster ]

n. [ OE. alebery, alebrey; ale + bre broth, fr. AS. brīw pottage. ] A beverage, formerly made by boiling ale with spice, sugar, and sops of bread. [ 1913 Webster ]

Their aleberries, caudles, possets. Beau. & Fl. [ 1913 Webster ]

n. [ LL. algebra, fr. Ar. al-jebr reduction of parts to a whole, or fractions to whole numbers, fr. jabara to bind together, consolidate; al-jebr w'almuqābalah reduction and comparison (by equations): cf. F. algèbre, It. & Sp. algebra. ] 1. (Math.) That branch of mathematics which treats of the relations and properties of quantity by means of letters and other symbols. It is applicable to those relations that are true of every kind of magnitude. [ 1913 Webster ]

2. A treatise on this science. [ 1913 Webster ]

{ } a. 1. Of or pertaining to algebra; using algebra; according to the laws of algebra; containing an operation of algebra, or deduced from such operation; as, algebraic characters; algebraical writings; algebraic geometry. [ 1913 Webster ]

2. progressing by constant multiplicatory factors; -- of a series of numbers. Contrasted to arithmetical. algebraic progression
Syn. -- algebraic [ PJC ]

Algebraic curve, a curve such that the equation which expresses the relation between the coördinates of its points involves only the ordinary operations of algebra; -- opposed to a transcendental curve. [ 1913 Webster ]

adv. By algebraic process. [ 1913 Webster ]

n. One versed in algebra. [ 1913 Webster ]

v. t. To perform by algebra; to reduce to algebraic form. [ 1913 Webster ]

n. 1. 1 naked freshwater or marine or parasitic protozoa that form temporary pseudopods for feeding and locomotion. Same as amoeba. [ WordNet 1.5 ]

adj. 1. of or pertaining to amoebae. Same as amoeban. [ Also spelled amoeban. ]
Syn. -- amoebic, amebic, amoeban, amoebous, amebous [ WordNet 1.5 ]

2. Caused by amoebae; -- of diseases; the more common word is amoebic. Amoebic dysentry is caused by the amoeba Entamoeba histolytica.
Syn. -- amoebic, amebic [ PJC ]

a. (Zool.) See Amoebean. [ 1913 Webster ]

adj. Resembling an amoeba especially in the shape or manner of motion
Syn. -- amoeboid [ WordNet 1.5 ]

adj. 1. same as amoebic.
Syn. -- amoebic, amebic, amoeban, ameban, amoebous [ WordNet 1.5 ]

n.; pl. L. Amœbæ E. Amœbas [ NL., fr. Gr. &unr_; change. ] (Zool.) A rhizopod common in fresh water, capable of undergoing many changes of form at will. Same as ameba. See Rhizopoda. [ 1913 Webster ]

‖n. [ L. amœbaeus, Gr. &unr_;, alternate; L. amoebaeum carmen, Gr. &unr_; &unr_;, a responsive song, fr. &unr_; change. ] A poem in which persons are represented at speaking alternately; as the third and seventh eclogues of Virgil. [ 1913 Webster ]

‖n. pl. [ NL. ] (Zool.) That division of the Rhizopoda which includes the amoeba and similar forms. [ 1913 Webster ]

a. Alternately answering. [ 1913 Webster ]

n. (Zool.) One of the Amœbea. [ 1913 Webster ]

{ } a. [ Amœba + -form or -oid. ] (Biol.) Resembling an amœba; amœba-shaped; changing in shape like an amœba. [ 1913 Webster ]

Amœboid movement, movement produced, as in the amœba, by successive processes of prolongation and retraction. [ 1913 Webster ]

a. Like an amœba in structure. [ 1913 Webster ]

adj. 1. belonging to a period before a war, especially the American Civil War. [ WordNet 1.5 ]

a. & n. (Med.) Febrifuge. [ 1913 Webster ]

n. (Med.) Acetanilide. [ 1913 Webster ]

, n. (Microbiol.) A group of single-celled microorganisms including the methanogens and some halophiles and thermoacidophiles, recognized in the 1970's by C. R. Woese and his colleagues as being a distinct group on the basis of RNA sequences, cell walls, and coenzymes differing from those of other microbes. It is believed to be an ancient form of living organism that evolved separately from the eubacteria and blue-green algae. It is classified as a separate kingdom by some taxonomists. See also The Archaebacteria. [ PJC ]

‖n. [ Pref. arche- = archi- + Gr. bi`wsis, bi`os, life. ] The origination of living matter from non-living. See Abiogenesis. Bastian. [ 1913 Webster ]

n. [ F. arquebusade shot of an arquebus; eau d'arquebusade a vulnerary for gunshot wounds. ] 1. The shot of an arquebus. Ash. [ 1913 Webster ]

2. A distilled water from a variety of aromatic plants, as rosemary, millefoil, etc.; -- originally used as a vulnerary in gunshot wounds. Parr. [ 1913 Webster ]

{ } n. [ F. arquebuse, OF. harquebuse, fr. D. haak-bus; cf. G. hakenbüchse a gun with a hook. See Hagbut. ] A sort of hand gun or firearm a contrivance answering to a trigger, by which the burning match was applied. The musket was a later invention. [ Written also harquebus. ] [ 1913 Webster ]

n. [ F. arquebusier. ] A soldier armed with an arquebus. [ 1913 Webster ]

Soldiers armed with guns, of whatsoever sort or denomination, appear to have been called arquebusiers. E. Lodge. [ 1913 Webster ]

n. (Bot.) A genus (Actæa) of plants, of the order Ranunculaceæ, native in the north temperate zone. The red or white berries are poisonous. [ 1913 Webster ]

adv. On the bare back of a horse, without using a saddle; as, to ride bareback. [ 1913 Webster ]

a. Having the back uncovered; as, a barebacked horse. [ 1913 Webster ]

n. A very lean person; one whose bones show through the skin. Shak. [ 1913 Webster ]

n. [ Perh. corrup. of vergeboard; or cf. LL. bargus a kind of gallows. ] A vergeboard. [ 1913 Webster ]

n. 1. A game of ball, so called from the bases or bounds (four in number) which designate the circuit which each player must endeavor to make after striking the ball. [ 1913 Webster ]

2. The ball used in this game. [ 1913 Webster ]

n. (Arch.) A board, or other woodwork, carried round the walls of a room and touching the floor, to form a base and protect the plastering; -- also called washboard (in England), mopboard, and scrubboard. [ 1913 Webster ]

a. 1. Born out of wedlock. Gay. [ 1913 Webster ]

2. Born of low parentage. [ 1913 Webster ]

3. Vile; mean. “Thy baseborn heart.” Shak. [ 1913 Webster ]

n. [ Written also bibiru. ] [ Native name. ] (Bot.) A tropical South American tree (Nectandra Rodiœi), the bark of which yields the alkaloid bebeerine, and the wood of which is known as green heart. [ Webster 1913 Suppl. ]

{ or } n. (Chem.) An alkaloid got from the bark of the bebeeru, or green heart of Guiana (Nectandra Rodiœi). It is a tonic, antiperiodic, and febrifuge, and is used in medicine as a substitute for quinine. [ Written also bibirine. ] [ 1913 Webster ]

v. t. To make bloody; to stain with blood. [ Obs. ] Chaucer. [ 1913 Webster ]

{ } v. t. To make bloody; to stain with blood. [ Obs. ] Sheldon. [ 1913 Webster ]

v. t. To blot; to stain. Chaucer. [ 1913 Webster ]

v. t. To make swollen and disfigured or sullied by weeping; as, her eyes or cheeks were beblubbered. [ 1913 Webster ]

‖n. [ G., lit., a trembling. ] (Music) A tremolo effect, such as that produced on the piano by vibratory repetition of a note with sustained use of the pedal. [ Webster 1913 Suppl. ]

n. 1. a perennial herb (Monarda fistulosa) of North America. [ WordNet 1.5 ]

2. a perennial aromatic herb of eastern North America (Monarda didyma) having variously colored tubular flowers in dense showy heads.
Syn. -- bee balm, bergamot mint, oswego tea. [ WordNet 1.5 ]

3. a bushy perennial Old World mint, Melissa officinalis, having small white or yellowish flowers and fragrant lemon-flavored leaves; a garden escapee in northern Europe and North America.
Syn. -- lemon balm, garden balm, sweet balm, bee balm, Melissa officinalis. [ WordNet 1.5 ]

n. A brown, bitter substance found in some of the cells of honeycomb. It is made chiefly from the pollen of flowers, which is collected by bees as food for their young. [ 1913 Webster ]

n. The title of a heathen deity to whom the Jews ascribed the sovereignty of the evil spirits; hence, the Devil or a devil. See Baal. [ 1913 Webster ]

‖n. [ From Beelzebub. ] (Zool.) A spider monkey (Ateles belzebuth) of Brazil. [ 1913 Webster ]

n. The scapula. See Blade, 4. [ 1913 Webster ]