[ley-bruh m, lab-ruh m]
- a lip or liplike part.
- 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.
- Anatomy. a ring of cartilage about the edge of a joint surface of a bone.
Origin of labrum1
1810–20; < Latin: lip; akin to labium
- an ornamented bathtub of ancient Rome.
Origin of labrum2
< Latin lābrum basin, contraction of lavābrum bathtub, equivalent to lavā(re) to wash + -brum instrumental suffix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for labra
Now Labra was never seen save by one man, once a year, without a hood that covered his head and ears.
T is considered to be the tepidarium with four warm baths taken out of its four angles, and two labra on its two flanks.History of Sanitation
John Joseph Cosgrove
Labra, the autonomist deputy for Cuba, and no one has forgotten the proposition presented to the Congress by Sr.The Katipunan
J. Brecknock Watson (AKA Francis St. Clair)
- the plural of labrum
- a lip or liplike part, such as the cuticular plate forming the upper lip of insects
C19: New Latin, from Latin
Word Origin and History for labra
lip or lip-like part, 1816, in various anatomical and zoological uses, from Latin labrum, cognate with labium "lip" (see lip (n.)). Also noted mid-15c. as the name of some herb.
Online Etymology Dictionary, © 2010 Douglas Harper
- A lip-shaped anatomical edge, rim, or structure.