Meaning of labrum in English:

labrum

Pronunciation /ˈleɪbrəm/

nounplural noun labra/ˈlabrə/

Zoology
  • A structure corresponding to a lip, especially the upper border of the mouthparts of a crustacean or insect.

Origin

Late 16th century (in anatomy, denoting the lip of the socket of certain joints): from Latin, literally ‘lip’; related to labium. The zoological sense dates from the early 19th century.