Available Definitions:
1) v. t. - To seize; to lay fast hold of; to attack at close quarters: as, to grapple an antagonist.
2) v. t. - To fasten, as with a grapple; to fix; to join indissolubly.
3) v. i. - To use a grapple; to contend in close fight; to attach one's self as if by a grapple, as in wrestling; to close; to seize one another.
4) v. t. - A seizing or seizure; close hug in contest; the wrestler's hold.
5) v. t. - An instrument, usually with hinged claws, for seizing and holding fast to an object; a grab.
6) v. t. - A grappling iron.