He put it, or placed it, (i. e. a thing, S,) upon (فِى) hisعَضُد [or upper arm]: (S, O, K:) [or] he placed it under his arm; as also ↓تعضّدهُ; synonym اِحْتَضَنَهُ. (A.)
2.
-A2- اعتضد (tropical:) He became strong; or he strengthened himself. (TA.)
3.
اعتضد بِهِ (assumed tropical:) He asked, begged, or desired, aid, or assistance, of him. (S, A, O, K.)