Dictionary.com
Thesaurus.com

birth canal

American  

noun

  1. the passage through which the young of mammals pass during birth, formed by the cervix, vagina, and vulva.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.