Labellum - Dictionary Definition and Overview

Labellum : \La*bel"lum\, n.; pl. L. Labella, E. Labellums. [L., dim. of labrum lip.] 1. (Bot.) The lower or apparently anterior petal of an orchidaceous flower, often of a very curious shape.

2. (Zo["o]l.) A small appendage beneath the upper lip or labrum of certain insects.

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