Defn: Orchidaceous.

ORCHIDEOUS
Or*chid"e*ous, a. (Bot.)

Defn: Same as Orchidaceous.

ORCHIDOLOGIST
Or`chid*ol"o*gist, n.

Defn: One versed in orchidology.

ORCHIDOLOGY
Or`chid*ol"o*gy, n. Etym: [Gr. -logy.]

Defn: The branch of botany which treats of orchids.

ORCHIL
Or"chil, n.

Defn: See Archil.

ORCHILLA WEED
Or*chil"la weed`. (Bot.)