labrum

UK:^*^*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈleɪbrəm/

US:USA pronunciation: respellingUSA pronunciation: respelling(Zool., Anat. lā′brəm, lab′rəm; Archaeol. lā′brəm)

Inflections of 'labrum' (n): npl: labra

la•brum¹ n., pl. la•bra

a lip or liplike part.
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.
Anatomya ring of cartilage about the edge of a joint surface of a bone.

la•brum² n., pl. -bra [Archaeol.]

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

Collins Concise English Dictionary © HarperCollins Publishers::

labrum /ˈleɪbrəm; ˈlæb-/ n ( pl -bra /-brə/)

a lip or liplike part, such as the cuticular plate forming the upper lip of insects

Etymology: 19th Century: New Latin, from Latin

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