labrum

1
[ ley-bruhm, lab-ruhm ]
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noun,plural la·bra [ley-bruh, lab-ruh]. /ˈleɪ brə, ˈlæb rə/.
  1. a lip or liplike part.

  2. Zoology.

    • the anterior, unpaired member of the mouthparts of an arthropod, projecting in front of the mouth.

    • the outer margin of the aperture of a shell of a gastropod.

  1. Anatomy. a ring of cartilage about the edge of a joint surface of a bone.

Origin of labrum

1
1810–20; <Latin: lip; akin to labium

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Other definitions for labrum (2 of 2)

labrum2
[ ley-bruhm ]

noun,plural la·bra [ley-bruh]. /ˈleɪ brə/. Archaeology.
  1. an ornamented bathtub of ancient Rome.

Origin of labrum

2
<Latin lābrum basin, contraction of lavābrum bathtub, equivalent to lavā(re) to wash + -brum instrumental suffix

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British Dictionary definitions for labrum

labrum

/ (ˈleɪbrəm, ˈlæb-) /


nounplural -bra (-brə)
  1. a lip or liplike part, such as the cuticular plate forming the upper lip of insects

Origin of labrum

1
C19: New Latin, from Latin

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