labellum(redirected from labellate)
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n. pl. la·bella (-bĕl′ə)
1. The median petal of an orchid flower, usually different in shape, size, or color from the two lateral petals; lip.
2. A liplike part, such as the tip of the labium of certain flies, used for lapping up liquids.
la·bel′late (-ĭt) adj.