oncidium Meaning, Definition & Usage
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noun any orchid of the genus Oncidium: characterized by slender branching sprays of small yellow and brown flowers; often grown as houseplants
dancing lady orchid; butterfly plant; butterfly orchid.
WordNet
On*cid"i*um noun
Etymology
NL.Definitions
(Bot.) A genus of tropical orchidaceous plants, the flower of one species of which ( O. Papilio ) resembles a butterfly.