Pronunciation: (lā'brum, lab'rum), [key]
—pl. la•braPronunciation: (lā'bru, lab'ru). [key]
1. a lip or liplike part.
a. the anterior, unpaired member of the mouthparts of an arthropod, projecting in front of the mouth.
b. the outer margin of the aperture of a shell of a gastropod.
3. Anat.a ring of cartilage about the edge of a joint surface of a bone.
Pronunciation: (lā'brum), [key]
—pl. -braPronunciation: (-bru). [key] Archaeol.
an ornamented bathtub of ancient Rome.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.