ORIGINATIVE
O*rig"i*na*tive, a.
Defn: Having power, or tending, to originate, or bring into existence; originating. H. Bushnell. — O*rig"i*na*tive*ly, adv.
ORIGINATOR
O*rig"i*na`tor, n.
Defn: One who originates.
ORILLON
O*ril"lon, n. Etym: [F., lit., a little ear, from oreille an ear, fr.
L. oricula, auricula, dim. of auris an ear. See Ear.] (Fort.)
Defn: A semicircular projection made at the shoulder of a bastion for the purpose of covering the retired flank, — found in old fortresses.
ORIOL
O"ri*ol, n.
Defn: See Oriel.
ORIOLE O"ri*ole, n. Etym: [OF. oriol, oriouz, orieus, F. loriot (for l'oriol), fr. L. aureolus golden, dim. of aureus golden, fr. aurum gold. Cf. Aureole, Oriel, Loriot.] (Zoöl.) (a) Any one of various species of Old World singing birds of the family Oriolidæ. They are usually conspicuously colored with yellow and black. The European or golden oriole (Oriolus galbula, or O. oriolus) has a very musical flutelike note. (b) In America, any one of several species of the genus Icterus, belonging to the family Icteridæ. See Baltimore oriole, and Orchard oriole, under Orchard. Crested oriole. (Zoöl.) See Cassican.
ORION
O*ri"on, n. Etym: [L., fr. Gr. (Astron.)