OREADES
O*re"a*des, n. pl. Etym: [NL.] (Zoöl.)
Defn: A group of butterflies which includes the satyrs. See Satyr, 2.
ORECTIC
O*rec"tic, a. Etym: [Gr. (Philos.)
Defn: Of or pertaining to the desires; hence, impelling to gratification; appetitive.
OREGON GRAPE
Or"e*gon grape`. (Bot.)
Defn: An evergreen species of barberry (Berberis Aquifolium), of
Oregon and California; also, its roundish, blue-black berries.
OREIDE
O"re*ide, n.
Defn: See Oroide.
OREODON
O"re*o*don, n. Etym: [Gr. (Paleon)
Defn: A genus of extinct herbivorous mammals, abundant in the Tertiary formation of the Rocky Mountains. It is more or less related to the camel, hog, and deer.