labrum

See also: Labrum

English

Etymology

From Latin labrum (“lip”).

Noun

labrum (plural labrums or labra)

1. (entomology) 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.
2. (anatomy) Any of several lip-like projections.
3. A large basin of warm water, with an overhanging lip, in a Roman bath.

Derived terms

• glenoid labrum
• acetabular labrum

Related terms

• labral

Translations

the uppermost of the mouthparts of insects

• Portuguese: labro (pt) m

References

• “labrum”, in OneLook Dictionary Search.
• “labrum”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.

Anagrams

• brumal, lumbar, umbral

Latin

Etymology 1

labrum

From Proto-Indo-European *leb- (“to hang down”). Cognate to labium and to English lip.

Pronunciation

• (Classical) IPA^(key): /ˈla.brum/, [ˈɫ̪äbrʊ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈla.brum/, [ˈläːbrum]

Noun

labrum n (genitive labrī); second declension

1. lip

   Synonym: labium

2. (by extension) edge, margin, brim, lip

Declension

Second-declension noun (neuter).

Case	Singular	Plural
Nominative	labrum	labra
Genitive	labrī	labrōrum
Dative	labrō	labrīs
Accusative	labrum	labra
Ablative	labrō	labrīs
Vocative	labrum	labra

Synonyms

• (lip): labia/labea/labium

Derived terms

• labellum
• labrōsus

Descendants

• Italo-romance:
  • Italian: labbro
  • Sicilian: labbru
• Gallo-italic:
  • Emilian: labre, labar, labra
  • Ligurian: lèrfo, lerfa, lavre
  • Lombard: làver, làber, làer
  • Piedmontese: lavre, làver, lavr, lavra, laura
  • Romagnol: labre, labra, labar, lèbar
• Gallo-romance:
  • Franco-Provençal: lâvra
  • French: lèvre
• Occitano-Romance:
  • Occitan: labra

    Auvergnat: laura

    Limousin: lhaura

• Ibero-romance:
  • Asturian: llabru
  • Old Spanish: labro
    • Early Modern Spanish: labro, labrio
  • Portuguese: labro
• Borrowings:
  • → English: labrum

Etymology 2

labrum

Contraction from lavābrum (“bathing tub”), from lavō (“to wash, bathe”) +‎ -brum.

Pronunciation

• (Classical) IPA^(key): /ˈlaː.brum/, [ˈɫ̪äːbrʊ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈla.brum/, [ˈläːbrum]

Noun

lābrum n (genitive lābrī); second declension

2. A bathing tub, bathtub, basin, bowl
3. A bath, bathing place.

Declension

Second-declension noun (neuter).

Case	Singular	Plural
Nominative	lābrum	lābra
Genitive	lābrī	lābrōrum
Dative	lābrō	lābrīs
Accusative	lābrum	lābra
Ablative	lābrō	lābrīs
Vocative	lābrum	lābra

Synonyms

• (bathing place): lavācrum, lavātiō

Derived terms

• lābellum

Related terms

• lātrīna
• lavābrum
• lavācrum
• lavandāria
• lavātiō
• lavitō
• lavō

References

• “labrum”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “labrum”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• labrum in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• labrum in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • to have a superficial knowledge, a smattering of literature, of the sciences: primis (ut dicitur) or primoribus labris gustare or attingere litteras
    
• “labrum”, in Harry Thurston Peck, editor (1898), Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
• “labrum”, in William Smith et al., editor (1890), A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin