1. noun /ˈsnæɡ/
a) A stump or base of a branch that has been lopped off; a short branch, or a sharp or rough branch; a knot; a protuberance.
b) A tooth projecting beyond the rest; contemptuously, a broken or decayed tooth.
2. verb /ˈsnæɡ/
Be careful not to snag your stockings on that concrete bench!
b) To fish by means of dragging a large hook or hooks on a line, intending to impale the body (rather than the mouth) of the target
We snagged for spoonbill from the eastern shore of the Mississippi river.
Wikipedia foundation.