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n. pl. la·bel·la (-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.

[Latin, diminutive of labrum, lip; see leb- in Indo-European roots.]

la·bel′late (-ĭt) adj.


n, pl -la (-lə)
1. (Botany) the part of the corolla of certain plants, esp orchids, that forms a distinct, often lobed, lip
2. (Zoology) a lobe at the tip of the proboscis of a fly
[C19: New Latin, diminutive of Latin labrum lip]
laˈbelloid adj


(ləˈbɛl əm)

n., pl. -bel•la (-ˈbɛl ə)
the lowest of the three orchid petals, usu. larger and more conspicuous than the others; the lip.
[1820–30; < Latin, diminutive of labrum lip]
la•bel′loid, adj.