- any of numerous tropical American orchids of the genus Oncidium, having clusters of flowers showing great variety in size, form, and color.
Origin of oncidium
< New Latin (1800), equivalent to Greek onk(o)- (combining form of ónkos barb of an arrow) + New Latin -idium -idium; so called from the crests on the labellum
Also called dancing lady orchid.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for oncidium
In this Oncidium, then, we have evidently a record of many bygone processes.Omphalos
Philip Henry Gosse
But as for Oncidium splendidum he had not so much as heard of it.The Woodlands Orchids
Except in Oncidium, there is no longer a veliger stage in development.
Thus it appears that the Oncidium fills a gap—and how gloriously!
But on the table before me now stands a wreath of Oncidium crispum which I cannot pass by.