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Labrum definition

lābrəm
labra
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A lip or liplike structure, such as the one forming the roof of the mouth in insects.
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A lip or liplike edge; esp., the upper or front lip of insects and other arthropods.
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The outer margin of the opening of a gastropod shell.
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A lip or liplike structure, such as the one forming the roof of the mouth in insects.
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The uppermost of the mouthparts (trophi) of a typical insect, such as a cockroach. Typically resembles an upper lip and forms part of the roof of the mouth in such insects.
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(anatomy) Any of several lip-like projections.
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A large basin of warm water, with an overhanging lip, in a Roman bath.
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Origin of labrum

  • Latin lip leb- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin lābrum (“bathing tub”).

    From Wiktionary

  • From Latin labrum (“lip”).

    From Wiktionary

Labrum Sentence Examples

  • The maxillae are not piercing organs, and their function is to protect the mandibles and labrum and separate the hairs or feathers of the host.

  • Maxillary and labial palpi are also present, and the latter, together with the labrum or lower lip, form the rostrum.

  • Below this comes the front, and then the face or clypeus, to which a very distinct upper lip (labrum) is usually jointed.

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