noun a timber placed diagonally in a ship's frame.
2. dagger ·vt to pierce with a dagger; to stab.
3. dagger ·noun a short weapon used for stabbing. this is the general term: ·cf. poniard, stiletto, bowie knife, dirk, misericorde, anlace.
4. dagger ·noun 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.