labium(redirected from labium oris)
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n. pl. la·bi·a (-bē-ə)
1. Anatomy Any of four folds of tissue of the female external genitals.
a. A liplike structure, such as that forming the floor of the mouth of certain invertebrates, especially insects.
b. The inner margin of the opening of a gastropod shell.
3. Botany One of the liplike divisions of a bilabiate corolla.
n, pl -bia (-bɪə)
1. (Anatomy) a lip or liplike structure
2. (Anatomy) any one of the four lip-shaped folds of the female vulva. See labia majora, labia minora
3. (Zoology) the fused pair of appendages forming the lower lip of insects
4. (Botany) the lower lip of the corolla of labiate flowers
[C16: New Latin, from Latin: lip]
la•bi•um(ˈleɪ bi əm)
n., pl. -bi•a (-bi ə)
1. a lip or liplike structure or part.
2. any of the folds of skin bordering the vulva.
3. the lower petal of a labiate flower.
4. the lower or rearmost unpaired mouthpart of an insect or other arthropod.
[1590–1600; < Latin: lip]
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|Noun||1.||labium - a liplike structure that bounds a bodily orifice (especially any of the four labiate folds of a woman's vulva)|
external body part - any body part visible externally
vulva - external parts of the female genitalia
labia majora - the two outer folds of the vulva
labia minora - the two inner folds of the vulva