[ɔn'sidiәm]
n.
金蝶兰属植物(产于热带美洲,包括蝴蝶兰、虎兰等)

[ noun ]
any orchid of the genus Oncidium: characterized by slender branching sprays of small yellow and brown flowers; often grown as houseplants
<noun.plant>

Oncidium \On*cid"i*um\, n. [NL.] (Bot.)
A genus of tropical orchidaceous plants, the flower of one
species of which ({Oncidium Papilio}) resembles a butterfly.