Definition of labrum in English:

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labrum

Pronunciation: /ˈleɪbrəm/

noun (plural labra /ˈleɪbrə/)

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

Derivatives

labral

adjective

Origin

Early 18th century: from Latin, literally 'lip'; related to labium.

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