Strong's H4866 · Hebrew

mishber

mish-bare'

from 7665; the orifice of the womb (from which the fetus breaks forth)

Scholarly Lexicons

Brown-Driver-Briggs (BDB)

 H4866 מַשְׁבֵּר place of breach , i.e. mouth of womb  

Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain