a wound produced by a pointed weapon
a thrust with a pointed weapon or other pointed object
He made little stabs with his umbrella
a sharp spasm
a stab of pain
a pang of intense emotion
a stab of remorse
a stab in the back
an act of treachery that causes somebody's downfall
have/make a stab at
informal to make an attempt at (something)
I'm going to have a stab at writing a novel
[Middle English stabbe wound, of unknown origin]