[], (Noun)

Definitions:
- A large genus of tropical American epiphytic orchids which are characterized by a callus on the lip and include many cultivated for their showy, often yellow flowers, notably the butterfly plant Oncidium papilio; (also oncidium) an orchid of this genus.


Phrases:

Origin:
early 19th century; earliest use found in John Loudon (1783–1843), landscape gardener and horticultural writer. From scientific Latin Oncidium from ancient Greek ὄγκος swelling, tumour + scientific Latin -idium: the name refers to the swellings on the lip