| Noun | 1.labial vein - veins draining the lips of the vulvavena labialisvein, vena, venous blood vessel - a blood vessel that carries blood from the capillaries toward the heart; "all veins except the pulmonary vein carry unaerated blood"anterior labial veins, venae labiales anteriores - veins from the labia majora to the external pudendal veinposterior labial veins, venae labiales posteriores - veins that pass posterior from the labia majora to the internal pudendal veinvulva - external parts of the female genitalia | | 2.labial vein - a vein draining the lips of the mouthvena labialislip - either of two fleshy folds of tissue that surround the mouth and play a role in speakinginferior labial vein, vena labialis inferior - a tributary of the facial vein that drains the lower lipsuperior labial vein, vena labialis superior - a tributary of the facial vein that drains the upper lipvein, vena, venous blood vessel - a blood vessel that carries blood from the capillaries toward the heart; "all veins except the pulmonary vein carry unaerated blood" |