v. t. [ L. aberuncare, for aberruncare. See Averruncate. ] To weed out. [ Obs. ] Bailey. [ 1913 Webster ]

n. A weeding machine. [ 1913 Webster ]

a. [ L. abruptus, p. p. of abrumpere to break off; ab + rumpere to break. See Rupture. ] 1. Broken off; very steep, or craggy, as rocks, precipices, banks; precipitous; steep; as, abrupt places. “Tumbling through ricks abrupt, ” Thomson. [ 1913 Webster ]

2. Without notice to prepare the mind for the event; sudden; hasty; unceremonious. “The cause of your abrupt departure.” Shak. [ 1913 Webster ]

3. Having sudden transitions from one subject to another; unconnected. [ 1913 Webster ]

The abrupt style, which hath many breaches. B. Jonson. [ 1913 Webster ]

4. (Bot.) Suddenly terminating, as if cut off. Gray. [ 1913 Webster ]

Syn. -- Sudden; unexpected; hasty; rough; curt; unceremonious; rugged; blunt; disconnected; broken. [ 1913 Webster ]

n. [ L. abruptum. ] An abrupt place. [ Poetic ] “Over the vast abrupt.” Milton. [ 1913 Webster ]

v. t. To tear off or asunder. [ Obs. ] “Till death abrupts them.” Sir T. Browne. [ 1913 Webster ]

n. [ L. abruptio, fr. abrumpere: cf. F. abruption. ] A sudden breaking off; a violent separation of bodies. Woodward. [ 1913 Webster ]

adv. 1. In an abrupt manner; without giving notice, or without the usual forms; suddenly. [ 1913 Webster ]

2. Precipitously. [ 1913 Webster ]

adj. 1. (Bot.) pinnate with a pair of leaflets at the apex, i.e. without an odd leaflet, or other appendage, at the end; -- said of a leaf shape
Syn. -- even-pinnate, paripinnate [ 1913 Webster + WordNet 1.5 ]

n. 1. The state of being abrupt or broken; craggedness; ruggedness; steepness. [ 1913 Webster ]

2. Suddenness; unceremonious haste or vehemence; as, abruptness of style or manner. [ 1913 Webster ]

n. 1. 1 an administrative region of Italy.
Syn. -- Abruzzi e Molise [ WordNet 1.5 ]

v. t. [ L. abstrudere. See Abstruse. ] To thrust away. [ Obs. ] Johnson. [ 1913 Webster ]

a. [ L. abstrusus, p. p. of abstrudere to thrust away, conceal; ab, abs + trudere to thrust; cf. F. abstrus. See Threat. ] 1. Concealed or hidden out of the way. [ Obs. ] [ 1913 Webster ]

The eternal eye whose sight discerns
Abstrusest thoughts. Milton. [ 1913 Webster ]

2. Remote from apprehension; difficult to be comprehended or understood; recondite; as, abstruse learning. [ 1913 Webster ]

Profound and abstruse topics. Milman. [ 1913 Webster ]

adv. In an abstruse manner. [ 1913 Webster ]

n. The quality of being abstruse; difficulty of apprehension. Boyle. [ 1913 Webster ]

n. [ L. abstrusio. See Abstruse. ] The act of thrusting away. [ R. ] Ogilvie. [ 1913 Webster ]

n. Abstruseness; that which is abstruse. [ R. ] Sir T. Browne. [ 1913 Webster ]

n. 1. type genus of the family Acanthuridae; doctorfishes.
Syn. -- genus Acanthurus [ WordNet 1.5 ]

‖n.; pl. Acari [ NL., from Gr. &unr_; the cheese mite, tick. ] (Zool.) A genus including many species of small mites. [ 1913 Webster ]

n. Accrument. [ R. ] [ 1913 Webster ]

v. i. [ imp. & p. p. Accrued p. pr. & vb. n. Accruing. ] [ See Accrue, n., and cf. Accresce, Accrete. ] 1. To increase; to augment. [ 1913 Webster ]

And though power failed, her courage did accrue. Spenser. [ 1913 Webster ]

2. To come to by way of increase; to arise or spring as a growth or result; to be added as increase, profit, or damage, especially as the produce of money lent. “Interest accrues to principal.” Abbott. [ 1913 Webster ]

The great and essential advantages accruing to society from the freedom of the press. Junius. [ 1913 Webster ]

n. [ F. accrû, OF. acreü, p. p. of accroitre, OF. acroistre to increase; L. ad + crescere to increase. Cf. Accretion, Crew. See Crescent. ] Something that accrues; advantage accruing. [ Obs. ] [ 1913 Webster ]

n. (Law) The act of accruing; accretion; as, title by accruer. [ 1913 Webster ]

n. The process of accruing, or that which has accrued; increase. Jer. Taylor. [ 1913 Webster ]

a. [ L. aeruginosus, fr. aerugo rust of copper, fr. aes copper: cf. F. érugineux. ] Of the nature or color of verdigris, or the rust of copper. [ 1913 Webster ]

‖n. [ L. aes brass, copper. ] The rust of any metal, esp. of brass or copper; verdigris. [ 1913 Webster ]

n. 1. 1 a genus comprising the lesser pandas.
Syn. -- genus Ailurus. [ WordNet 1.5 ]

v. t. 1. 1. to paint with an airbrush. The old car looks like new now that we airbrushed it [ WordNet 1.5 ]

2. to alter or remove by use of an airbrush. “After the photographer airbrushed out the wrinkles on her face she looked twenty years younger.” [ PJC ]

. A kind of atomizer for applying liquid coloring matter, such as paint, in a spray by compressed air. [ Webster 1913 Suppl. ]

‖n.; pl. Alabastra [ NL. ] (Bot.) A flower bud. Gray. [ 1913 Webster ]

n. [ OE. alarom, the same word as alarm, n. ] See Alarm. [ Now Poetic ] [ 1913 Webster ]

☞ The variant form alarum is now commonly restricted to an alarm signal or the mechanism to sound an alarm (as in an alarm clock.) [ 1913 Webster ]

n. [ L. ala wing + truncus trunk. ] (Zool.) The segment of the body of an insect to which the wings are attached; the thorax. Kirby. [ 1913 Webster ]

n. [ F. altruisme (a word of Comte's), It. altrui of or to others, fr. L. alter another. ] Regard for others, both natural and moral; devotion to the interests of others; brotherly kindness; -- opposed to egoism or selfishness. [ Recent ] J. S. Mill. [ 1913 Webster ]

n. One imbued with altruism; -- opposed to egoist. [ 1913 Webster ]

a. [ Cf. F. altruiste, a. See Altruism.. ] Regardful of others; beneficent; unselfish; -- opposed to egoistic or selfish. Bain. -- Al`tru*is"tic*al*ly, adv. [1913 Webster]

‖n.; pl. Ambulacra [ L., an alley or covered way. ] (Zool.) (a) One of the radical zones of echinoderms, along which run the principal nerves, blood vessels, and water tubes. These zones usually bear rows of locomotive suckers or tentacles, which protrude from regular pores. In star fishes they occupy the grooves along the under side of the rays. (b) One of the suckers on the feet of mites. [ 1913 Webster ]

n. 1. 1 the type genus of the Ameiuridae: bullhead catfishes.
Syn. -- genus Ameiurus. [ WordNet 1.5 ]

‖n. [ Gr. &unr_;, fr. &unr_; to push up or back; &unr_; + &unr_; to strike. ] (Pros.) A prefix of one or two unaccented syllables to a verse properly beginning with an accented syllable. [ 1913 Webster ]

n. A state or interval of sexual inactivity between two periods of estrus; -- applies to nonhuman mammals. [ Also spelled anoestrus. ] [ WordNet 1.5 ]

a. (Med.) Antistrumous. -- n. A medicine for scrofula. [ 1913 Webster ]

a. (Med.) Good against scrofulous disorders. Johnson. Wiseman. [ 1913 Webster ]

adj. 1. opposed to trusts, monopolies, or other large combinations of business or capital which threaten fair competition; designed to protect trade and commerce from unfair business practices; -- of laws and regulations.
Syn. -- antimonopoly. [ WordNet 1.5 +PJC ]

‖n.; pl. Antra [ L., fr. Gr. &unr_;. ] A cavern or cavity, esp. an anatomical cavity or sinus. Huxley. [ 1913 Webster ]

‖n. [ F., fr. LL. antrustio. ] A vassal or voluntary follower of Frankish princes in their enterprises. [ 1913 Webster ]

(Zool.) (a) One of several species of tropical birds, of the Old World, of the genus Pitta, somewhat resembling the thrushes, and feeding chiefly on ants. (b) See Ant bird, under Ant. [ 1913 Webster ]

n. 1. 1 a genus of extinct dinosaurs comprising the brontosaurs; apatosaurs.
Syn. -- genus Apatosaurus. [ WordNet 1.5 ]

a. [ Gr. &unr_; able to drive off, fr. &unr_; to drive off. ] (Med.) Astringent and repellent. -- n. An apocrustic medicine. [ 1913 Webster ]

n. [ L. Arcturus, Gr. &unr_; bearward, equiv. to &unr_;; &unr_; bear + &unr_; ward, guard. See Arctic. ] (Anat.) A fixed star of the first magnitude in the constellation Boötes. [ 1913 Webster ]

☞ Arcturus has sometimes been incorrectly used as the name of the constellation, or even of Ursa Major. [ 1913 Webster ]

Canst thou guide Arcturus with his sons [ Rev. Ver.: “the Bear with her train” ]. Job xxxviii. 32. [ 1913 Webster ]

a. Containing clay and iron. [ 1913 Webster ]

n. 1. 1 a genus of tuberous or rhizomatous perennial herbs; mainly Mediterranean area.
Syn. -- genus Arisarum. [ WordNet 1.5 ]

. (Nav.) A man-of-war carrying a large coal supply, and more or less protected from the enemy's shot by iron or steel armor. There is no distinct and accepted classification distinguishing armored and protected cruisers from each other, except that the first have more or heavier armor than the second. [ Archaic ] [ Webster 1913 Suppl. ]