labium(redirected from Beef curtains)
Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
1. a lip or liplike structure
2. any one of the four lip-shaped folds of the female vulva
3. the fused pair of appendages forming the lower lip of insects
4. the lower lip of the corolla of labiate flowers
A liplike structure.
The lower lip, as of a labiate corolla or of an insect.