Lexical Definition

‎אַצִּיל‎ ʼatstsîyl (ats-tseel') joint H:N-F
from ‎אָצַל‎ (in its primary sense of uniting)

(arm) hole, great.

1) joining, joint (such as elbow etc)

See Greek: διάστημα

Usage: 3 forms in 3 verses
Form Translated As     In Verse(s)
אַצִּל֣וֹת joints of Jer.38.12
אַצִּילֵ֣י joints of Ezek.13.18
אַצִּֽילָה a joint Ezek.41.8

Brown-Driver-Briggs

[‎אַצִּיל‎ noun [feminine] joining, joint (compare elbow) — plural construct [‎י‎]‎אַצִּילֵי יד‎ Ezek 13:18 (on ‎יד‎ compare Sm Co); — joint of hand, i.e. elbow Ezek 13:18 ‎אַצִּילוֺת יָדֶיךָ‎ Jer 38:12 arm-joints.‎אִַ˜צּילָה׃‎ Ezek 41:8 obscure; perhaps ‎׳‎‎א‎ is here a technical architectural term to the joining (compare Sm Ke).

Brown-Driver-Briggs References

Book Refs
Jeremiah 38:12
Ezekiel 13:18 · 41:8