[ on-sid-ee-uhm ]

  1. 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.

Words Nearby oncidium

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use oncidium in a sentence

  • This admirable collector was hunting for oncidium splendidum, a stately flower not very uncommon once, but long extinct in Europe.

    The Woodlands Orchids | Frederick Boyle
  • He was looking for orchids, however, and who could have expected to find an oncidium buried among herbage in the open ground?

    The Woodlands Orchids | Frederick Boyle
  • This is important, as it explains all the astounding projections on the labellum of oncidium, Phalaenopsis, etc.

  • oncidium ornithorhynchum is an example; some like the odour of it very much, while it is disagreeable to others.

    Orchids | James O'Brien
  • In this oncidium, then, we have evidently a record of many bygone processes.

    Omphalos | Philip Henry Gosse