Labrum

Definition:

(n.) A lip or edge, as of a basin.
(n.) An organ in insects and crustaceans covering the upper part of the mouth, and serving as an upper lip. See Illust. of Hymenoptera.
(n.) The external margin of the aperture of a shell. See Univalve.

Compare labrum with other words:

labarum vs. labrum

labrum vs. larum

endostoma vs. labrum

labium vs. labrum

labrum vs. projection

insect vs. labrum

labrum vs. mouth

labrum vs. roof

cockroach vs. labrum

labrum vs. trophi