labium

[ ley-bee-uh m ]

/ ˈleɪ bi əm /

a lip or liplike part.

Anatomy.

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

1590–1600; < Latin: lip, akin to lambere to lick, lap³. See labrum¹, lip

pseu·do·la·bi·um, noun, plural pseu·do·la·bi·a.

The labium and maxillæ are like those of Clubiona and the palpi very slender.

The Common Spiders of the United States |James Henry Emerton
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.

The Journal of the Proceedings of the Linnean Society - Vol. 4 |Various
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.

The Common Spiders of the United States |James Henry Emerton

labium

/ (ˈleɪbɪəm) /

a lip or liplike structure

any one of the four lip-shaped folds of the female vulva See labia majora, labia minora

the fused pair of appendages forming the lower lip of insects

the lower lip of the corolla of labiate flowers

C16: New Latin, from Latin: lip

labium

[ lā′bē-əm ]

A lip or lip-shaped anatomical structure.

Any of four folds of tissue of the female external genitalia.

labium

[ lā′bē-əm ]

Either of two pairs of folds of tissue that make up part of the external genitalia of female mammals.