| labial vein | |
noun | |
| 1. | veins draining the lips of the vulva |
| 2. | a vein draining the lips of the mouth |
labial vein n.
Any of the veins that pass from the labia majora to the pudendal veins, such as the anterior labial and posterior labial veins.
Either of the two veins that drain the lips: inferior labial vein and superior labial.