Labellum

//ləˈbɛl.əm// noun

noun ·Rare ·Advanced level

Definitions

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

Etymology

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

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.