snag

snag is a Noun

Definition:

[1] 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. The coat of arms Now on a naked snag in triumph borne. Dryden.

[2] A tooth projecting beyond the rest; contemptuously, a broken or decayed tooth. Prior.

[3] 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.

[4] One of the secondary branches of an antler. Snag boat, a steamboat fitted with apparatus for removing snags and other obstructions in navigable streams. [U.S.] -- Snag tooth. Same as Snag, 2. How thy snag teeth stand orderly, Like stakes which strut by the water side. J. Cotgrave.