‖n. [ It. amoroso, fem. amorosa. ] A wanton woman; a courtesan. Sir T. Herbert. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. &unr_;. See Aporia. ] (Zool.) A group of corals in which the coral is not porous; -- opposed to Perforata. [ 1913 Webster ]

n. Any member of the genus Hadrosaurus or family Hadrosauridae, an extinct family of heavy bipedal partly aquatic dinosaurs with duck-billed skull and webbed feet; of the Upper Cretaceous in North America.
Syn. -- hadrosaurus. [ WordNet 1.5 ]

prop. n. A natural family of extinct reptiles including the duck-billed dinosaurs.
Syn. -- family Hadrosauridae. [ WordNet 1.5 ]

‖n. [ NL., fr. Gr. "adro`s thick + say^ros lizard.] (Paleon.) An American herbivorous dinosaur of great size, allied to the iguanodon. It is found in the Cretaceous formation. [1913 Webster]

n. [ Hydro-, 1 + salt. ] (Chem.) (a) A salt supposed to be formed by a hydracid and a base. (b) An acid salt. [ R. ] (c) A hydrous salt; a salt combined with water of hydration or crystallization. [ 1913 Webster ]

‖n. [ NL., from Gr. mw^ros stupid + sau^ros lizard. ] (Paleon.) An extinct genus of large herbivorous dinosaurs, found in Jurassic strata in America. [ 1913 Webster ]

n. [ Nitro- + saccharin. ] (Chem.) An explosive nitro derivative of certain sugars, analogous to nitroglycerin, gun cotton, etc. [ 1913 Webster ]

a. [ Nitro- + salicylic. ] (Chem.) Of, pertaining to, or designating, a nitro derivative of salicylic acid, called also anilic acid. [ 1913 Webster ]

a. [ See Petrous. ] (Anat.) (a) Hard; stony; petrous; as, the petrosal bone; petrosal part of the temporal bone. (b) Of, pertaining to, or in the region of, the petrous, or petrosal, bone, or the corresponding part of the temporal bone. [ 1913 Webster ]

Petrosal bone (Anat.), a bone corresponding to the petrous portion of the temporal bone of man; or one forming more or less of the periotic capsule. [ 1913 Webster ]

n. (Anat.) (a) A petrosal bone. (b) The auditory capsule. Owen. [ 1913 Webster ]

{ } a. [ L. prosaius, from prosa prose: cf. F, . prosaïque. See Prose. ] 1. Of or pertaining to prose; resembling prose; in the form of prose; unpoetical; writing or using prose; as, a prosaic composition. Cudworth. [ 1913 Webster ]

2. Dull; uninteresting; commonplace; unimaginative; prosy; as, a prosaic person. Ed. Rev. [ 1913 Webster ]

-- Pro*sa"ic*al*ly, adv. -- Pro*sa"ic*al*ness, n. [ 1913 Webster ]

n. The quality or state of being prosaic; a prosaic manner or style. [ R. ] Poe. [ 1913 Webster ]

n. That which is in the form of prose writing; a prosaic manner. Coleridge. [ 1913 Webster ]

n. A writer of prose; an unpoetical writer. “An estimable prosaist.” I. Taylor. [ 1913 Webster ]

a. Of or pertaining to prose; prosaic. [ R. ] Sir T. Browne. [ 1913 Webster ]

‖n. [ NL., from Gr. &unr_; earlier (fr. &unr_; before) + &unr_; a lizard. ] (Paleon.) An extinct genus of reptiles of the Permian period. Called also Protosaurus. [ 1913 Webster ]

n. [ Gr. &unr_; wind + &unr_; a lizard. ] (Paleon.) A pterodactyl. [ 1913 Webster ]

‖n. pl. [ NL. ] (Paleon.) An extinct order of flying reptiles of the Mesozoic age; the pterodactyls; -- called also Pterodactyli, and Ornithosauria. [ 1913 Webster ]

☞ The wings were formed, like those of bats, by a leathery expansion of the skin, principally supported by the greatly enlarged outer or “ little” fingers of the hands. The American Cretaceous pterodactyls had no teeth. See Pteranodontia, and Pterodactyl. [ 1913 Webster ]

a. (Paleon.) Of or pertaining to the Pterosauria. [ 1913 Webster ]

a. [ L. rosaceus, fr. rosa rose. ] 1. (Bot.) (a) Of or pertaining to a natural order of plants (Rosaceae) of which the rose is the type. It includes also the plums and cherries, meadowsweet, brambles, the strawberry, the hawthorn, applies, pears, service trees, and quinces. (b) Like a rose in shape or appearance; as, a rosaceous corolla. [ 1913 Webster ]

2. Of a pure purpish pink color. [ 1913 Webster ]

a. [ See Rosaceous. ] (Old med. Chem.) Pertaining to, or designating, an acid (called also lithic acid) found in certain red precipitates of urine. See Uric. [ Obs. ] [ 1913 Webster ]

n. realgar. [ Obs. ] chaucer. [ 1913 Webster ]

‖n. [ Cf. F. rosalie. ] (Mus.) A form of melody in which a phrase or passage is successively repeated, each time a step or half step higher; a melodic sequence. [ 1913 Webster ]

n. [ Rose + aniline. ] (Chem.) A complex nitrogenous base, C20H21N3O, obtained by oxidizing a mixture of aniline and toluidine, as a colorless crystalline substance which forms red salts. These salts are essential components of many of the socalled aniline dyes, as fuchsine, aniline red, etc. By extension, any one of the series of substances derived from, or related to, rosaniline proper. [ 1913 Webster ]

n. A cultivator of roses. [ 1913 Webster ]

n.; pl. Rosaries [ LL. rosarium a string of beads, L. rosarium a place planted with roses, rosa a rose: cf. F. rosaire. See Rose. ] 1. A bed of roses, or place where roses grow. “Thick rosaries of scented thorn.” Tennyson. [ 1913 Webster ]

2. (R.C.Ch.) A series of prayers (see Note below) arranged to be recited in order, on beads; also, a string of beads by which the prayers are counted. [ 1913 Webster ]

His idolized book, and the whole rosary of his prayers. Milton. [ 1913 Webster ]

☞ A rosary consists of fifteen decades. Each decade contains ten Ave Marias marked by small beads, preceded by a Paternoster, marked by a larger bead, and concluded by a Gloria Patri. Five decades make a chaplet, a third part of the rosary. Bp. Fitzpatrick. [ 1913 Webster ]

3. A chapelet; a garland; a series or collection, as of beautiful thoughts or of literary selections. [ 1913 Webster ]

Every day propound to yourself a rosary or chaplet of good works to present to God at night. Jer. Taylor. [ 1913 Webster ]

4. A coin bearing the figure of a rose, fraudulently circulated in Ireland in the 13th century for a penny. [ 1913 Webster ]

Rosary shell (Zool.), any marine gastropod shell of the genus Monodonta. They are top-shaped, bright-colored and pearly. [ 1913 Webster ]

a. [ L. sucrosanctus. ] Sacred; inviolable. [ R. ] Dr. H. More. [ 1913 Webster ]

n. [ Spore + sac. ] (Zool.) (a) A hydrozoan reproductive zooid or gonophore which does not become medusoid in form or structure. See Illust. under Athecata. (b) An early or simple larval stage of trematode worms and some other invertebrates, which is capable of reproducing other germs by asexual generation; a nurse; a redia. [ 1913 Webster ]

a. [ 2d uro- + sacral. ] (Anat.) Of or pertaining to both the caudal and sacral parts of the vertebral column; as, the urosacral vertebrae of birds. [ 1913 Webster ]