| the passage through which the young of mammals pass during birth, formed by the cervix, vagina, and vulva. |
| birth canal n. The passageway through which the fetus is expelled during parturition, leading from the uterus through the cervix, vagina, and vulva. |
birth canal n.
The passage through which the fetus is expelled during parturition, leading from the uterus through the cervix, vagina, and vulva. Also called parturient canal.