Dagger

1. A short weapon used for stabbing. This is the general term: cf. Poniard, Stiletto, Bowie knife, Dirk, Misericorde, Anlace.
2. (Print.) 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.
Dagger moth (Zoöl.),
any moth of the genus Apatalea. The larvæ are often destructive to the foliage of fruit trees, etc.
Dagger of lath ,
the wooden weapon given to the Vice in the old Moralities.
Double dagger ,
a mark of reference [‡] which comes next in order after the dagger.
To look daggers, or To speak daggers ,
to look or speak fiercely or reproachfully.

1. To pierce with a dagger; to stab.
   

1. A timber placed diagonally in a ship's frame.