Definition

/ˈsnæɡ/

noun

A stump or base of a branch that has been lopped off; a short branch, or a sharp or rough branch.
A dead tree that remains standing.
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.

verb

To catch or tear (e.g. fabric) upon a rough surface or projection.
“Be careful not to snag your stockings on that concrete bench!”
To damage or sink (a vessel) by collision; said of a tree or branch fixed to the bottom of a navigable body of water and partially submerged or rising to just beneath the surface.
“The steamboat was snagged on the Mississippi River in 1862.”
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.”