Definition of labrum in English:
labrum
nounplural noun labra/ˈlābrə/ /ˈleɪbrə/ /ˈlabrə/ /ˈlæbrə/
ZoologyA structure corresponding to a lip, especially the upper border of the mouthparts of a crustacean or insect.
Pronunciation
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.
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