BDB700
[אַצִּיל noun [feminine] joining, joint (compare [untranscribed source text 387] 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. — אִַצּילָה׃ Ezek 41:8 obscure; perhaps ׳ א is here a technical architectural term to the joining (compare Sm Ke).