What does "labellum" mean?

The lower central petal of a flower (especially an orchid), usually developed to be showy and attract pollinators.

What is a synonym for "labellum"?

Common synonyms include: bank, board, border, brim, brink, brow.

/ləˈbɛl.əm/ noun

noun ·Rare ·Advanced level

Noun

1
The lower central petal of a flower (especially an orchid), usually developed to be showy and attract pollinators.
2
Part of the mouth of an insect, especially the sucking mouthparts of a fly.

From Latin labellum (“small lip”), diminutive of labrum (“lip”).