A fused mouthpart that forms the floor of the mouth of an insect.→ lip
- ‘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.’
The lower lip of the flower of a plant of the mint family.→ lip
Late 16th century (in the general sense lip, liplike structure): from Latin, lip; related to labrum.