noun, plural la·bi·a [ley-bee-uh] /ˈleɪ bi ə/.
- a lip or lip-shaped structure or part.
- any of the folds of skin bordering the vulva.
Related formspseu·do·la·bi·um, noun, plural pseu·do·la·bi·a.
Examples from the Web for labium
The labium and maxillæ are like those of Clubiona and the palpi very slender.
The lower joint of the Labium, where it is jointed; in other cases its base.An Introduction to Entomology: Vol. III (of 4)|William Kirby
Labium dilatatum, rotundatum, spira longius, vix adnatum spir.
As they are thrust deeper and deeper the labium is bowed back to allow them to enter.Insects and Diseases|Rennie W. Doane
The labium is short and the maxillæ straight, as in Anyphæna.