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Definition of labrum in English:

labrum

nounplural noun labra/ˈlābrə/ /ˈleɪbrə/ /ˈlabrə/ /ˈlæbrə/

Zoology

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

Pronunciation

labrum

/ˈlābrəm/ /ˈleɪbrəm/ /ˈlabrəm/ /ˈlæbrəm/

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.