- a lip or liplike part.
- a lip or lip-shaped structure or part.
- any of the folds of skin bordering the vulva.
- Botany. the lower lip of a bilabiate corolla.
- Entomology. the posterior, unpaired member of the mouthparts of an insect, formed by the united second maxillae.
Origin of labium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for labium
But the structure of the tongue itself (labium, l) is most curious.Our Common Insects
Alpheus Spring Packard
The labium is as long as it is in Drassus, but contracted at the base.
The labium is short and the maxillæ straight, as in Anyphæna.
The labium is narrowed at the end and a little longer than wide (fig. 26).
The labium is long and narrow, and forked at the end (fig. 72).
C16: New Latin, from Latin: lip
Word Origin and History for labium
1590s, plural labia, from Latin labium "lip" (see lip (n.)).
Online Etymology Dictionary, © 2010 Douglas Harper
- A lip or lip-shaped anatomical structure.
- Any of four folds of tissue of the female external genitalia.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- Either of two pairs of folds of tissue that make up part of the external genitalia of female mammals.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.