Labellum definitions

lə-bĕl'əm
The median petal of an orchid flower, usually different in shape, size, or color from the two lateral petals; lip.
noun
0
0
A liplike part, such as the tip of the labium of certain flies, used for lapping up liquids.
noun
0
0
The lowest of the three petals forming the corolla of an orchid, usually larger than the other two petals, and often spurred.
noun
0
0
The median petal of an orchid flower, usually different in shape, size, or color from the two lateral petals; lip.
noun
0
0
A liplike part, such as the tip of the labium of certain flies, used for lapping up liquids.
noun
0
0
The lower central petal of orchid flowers, usually developed to be showy and attract pollinators.
noun
0
0

Origin of labellum

From Latin labellum (“small tub or basin”), diminutive of labrum (“basin, tub”), from lavō (“bathe”).