n. A sharp protuberance; a projecting point; a jag.n. Specifically A short projecting stump, stub, or branch; the stubby base of a broken or cut-off branch or twig; a jagged branch separate from the tree.n. A tree, or part of a tree, lying in the water with its branches at or near the surface, so as to be dangerous to navigation.n. Hence A hidden danger or obstacle; an unsuspected source or occasion of error or mistake; a stnmbling-block.n. 5. A snag-tooth.n. The fang or root of a tooth.n. A branch or tine on the antler of a deer; a point. See cut under antler.n. plural The fruit of the snag-bush.To catch or run upon a snag: as, to snag a fish-hook; to snag, a steamboat.Figuratively, to entangle; embarrass; bring to a standstill.To fill with snags; act as a snag to.To clear of snags.To trim by lopping branches; cut the branches, knots, or protuberances from, as the stem of a tree.n. A snail.n. In mech., a lug, or projection from a surface, through which there is a hole to receive a bolt or pin.