labella

/L AH0 B EH1 L AH0/
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.

Synonyms

Source: https://en.wiktionary.org/wiki/labella, https://en.wiktionary.org/wiki/labellum