Otiose, o′shi-ōs, adj. unoccupied: lazy: done in a careless way, perfunctory, futile.—n. Otios′ity, ease, idleness. [L. otiosus—otium, rest.]
Otoscope. See under Otalgia.
Ottava, ot-tä′vä, n. an octave.—Ottava rima, an Italian form of versification consisting of eight lines, the first six rhyming alternately, the last two forming a couplet—used by Byron in Don Juan. [It.]
Otter, ot′ėr, n. a large kind of weasel living entirely on fish. [A.S. otor, oter; cf. Dut. and Ger. otter.]
Otto, ot′o, Ottar, ot′ar (better Att′ar), n. a fragrant oil obtained from certain flowers, esp. the rose. [Ar. ‛itr—‛atira, to smell sweetly.]
Ottoman, ot′o-man, adj. pertaining to the Turkish Empire, founded by Othman or Osman about 1299.—n. a Turk (Shak. Ott′omite): a cushioned seat for several persons sitting with their backs to one another: a low, stuffed seat without a back: a variety of corded silk. [Fr.]
Oubit, ōō′bit, n. a hairy caterpillar. [Prob. the A.S. wibba, a crawling thing.]
Oubliette, ōō-bli-et′, n. a dungeon with no opening but at the top: a secret pit in the floor of a dungeon into which a victim could be precipitated. [Fr.,—oublier, to forget—L. oblivisci.]
Ouch, owch, n. a jewel or ornament, esp. one in the form of a clasp: the socket of a precious stone. [O. Fr. nouche, nosche, from Teut., cf. Old High Ger. nusca, a clasp.]
Oudenarde, ōō′de-närd, n. a kind of decorative tapestry, representing foliage, &c., once made at Oudenarde in Belgium.