(arm) hole, great

Strong’s Dictionary of Hebrew Words:

Number:
679 (find all occurrences in KJV Bible)
Transliteration:
’atstsiyl
Phonic:
ats-tseel’
Meaning:
from 680 (in its primary sense of uniting); a joint of the hand (i.e. knuckle); also (according to some) a party-wall (Ezek. 41:8)
KJV Usage:
(arm) hole, great