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1. (n.) labrum
a lip or liplike part.
2. labrum
the upper or foremost unpaired mouthpart of an insect or other arthropod.
3. labrum
the outer margin of the aperture of a shell of a gastropod.
Etymology: (1810–20; < L: lip; akin to labium)
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| Definition of 'Labrum' |
Webster Dictionary |
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1. (noun) Labrum
a lip or edge, as of a basin
2. (noun) Labrum
an organ in insects and crustaceans covering the upper part of the mouth, and serving as an upper lip. See Illust. of Hymenoptera
3. (noun) Labrum
the external margin of the aperture of a shell. See Univalve
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Definitions of Labrum 
