labrum

L1A1B3R1U1M3
US/ˈleɪ.bɹəm/

noun

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.

OriginLatin labrum →
UncommonScrabble 10
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Meanings

labrum1

nounlabrum (plural labrums or labra)

plural labrums · plural labra

  1. biologyThe 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.
  2. anatomyAny of several lip-like projections.
  3. A large basin of warm water, with an overhanging lip, in a Roman bath.

Labrum2

proper nounLabrum (plural Labrums)

plural Labrums

  1. A surname.

Origin

  1. Latinlabrum“lip”
  2. Englishlabrum

From Latin labrum (“lip”).

More words from Latin

Full word history & related roots →

Translations

Arabic جَاضِم
  • جَاضِم (jāḍim)the uppermost of the mouthparts of insects
Catalan labre
  • labrethe uppermost of the mouthparts of insects
Dutch labrum
  • labrumthe uppermost of the mouthparts of insects
French labrum, labre
  • labrumthe uppermost of the mouthparts of insects
  • labrethe uppermost of the mouthparts of insects
German Labrum
  • Labrumthe uppermost of the mouthparts of insects
Italian labbro superiore
  • labbro superiorethe uppermost of the mouthparts of insects
Japanese 上唇
  • 上唇 (jōshin)the uppermost of the mouthparts of insects
Polish labrum
  • labrumthe uppermost of the mouthparts of insects
Portuguese labro
  • labrothe uppermost of the mouthparts of insects
Russian ве́рхняя губа́
  • ве́рхняя губа́ (vérxnjaja gubá)the uppermost of the mouthparts of insects
Spanish labro, rodete
  • labrothe uppermost of the mouthparts of insects
  • rodetethe uppermost of the mouthparts of insects

Rhymes & wordplay

Anagrams

lumbarumbralbrumal
Cite this entry
APA

labrum. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/labrum

MLA

“labrum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/labrum. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “labrum,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/labrum.

Source: labrum on Wiktionary, CC BY-SA 4.0.