(1):
(n.) A timber placed diagonally in a ship's frame.
(2):
(n.) A short weapon used for stabbing. This is the general term: cf. Poniard, Stiletto, Bowie knife, Dirk, Misericorde, Anlace.
(3):
(v. t.) To pierce with a dagger; to stab.
(4):
(n.) A mark of reference in the form of a dagger [/]. It is the second in order when more than one reference occurs on a page; - called also obelisk.