Strong's #6610: pithchown (pronounced pith-khone')
from 6605; opening (the act):--open(-ing).
Brown-Driver-Briggs Hebrew Lexicon:
ּ
pithchôn
1) opening
Part of Speech: noun masculine
Relation: from H6605
Usage:
This word is used 2 times:
Ezekiel 16:63: "thou mayest remember, and be confounded, and never open thy mouth any more because"
Ezekiel 29:21: "of Israel to bud forth, and I will give thee the opening of the mouth in the midst of them; and they shall know that"