D defs.my
Entry 1 sense Webster, 1913

Oncidium

· On·cid·i·um · IPA
01 n. A genus of tropical orchidaceous plants, the flower of one species of which (Oncidium Papilio) resembles a butterfly.
  1. 1.
    A genus of tropical orchidaceous plants, the flower of one species of which (Oncidium Papilio) resembles a butterfly.(Bot.)