Snag

1. One of the secondary branches of an antler.
2. To injure or destroy, as a steamboat or other vessel, by a snag, or projecting part of a sunken tree.
3. To cut the snags or branches from, as the stem of a tree; to hew roughly.
4. 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.
5. A tree, or a branch of a tree, fixed in the bottom of a river or other navigable water, and rising nearly or quite to the surface, by which boats are sometimes pierced and sunk.
6. A tooth projecting beyond the rest; contemptuously, a broken or decayed tooth.