Definition of labium in English:

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labium

Pronunciation: /ˈleɪbɪəm/

noun (plural labia /ˈleɪbɪə/)

1 Entomology A fused mouthpart which forms the floor of the mouth of an insect.
Example sentences
  • Biplica, in addition, lacks the strongly tubercled and denticulate labium of Eriptycha.
  • Insects close off the posterior of the mouth with a second ‘lip,’ the labium.
  • Several groups developed active predatory larvae, still showing the spoon-shaped labium.
2 Botany The lower lip of the flower of a plant of the mint family.

Origin

Late 16th century (in the general sense 'lip, lip-like structure'): from Latin, 'lip'; related to labrum.

For editors and proofreaders

Line breaks: la¦bium

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