from
The Collaborative International Dictionary of English v.0.48
Dagger \Dag"ger\ (-g[~e]r), n. [Cf. OE. daggen to pierce, F.
daguer. See {Dag} a dagger.]
1. A short weapon used for stabbing. This is the general
term: cf. {Poniard}, {Stiletto}, {Bowie knife}, {Dirk},
{Misericorde}, {Anlace}.
[1913 Webster]
2. (Print.) A mark of reference in the form of a dagger
[[dagger]]. It is the second in order when more than one
reference occurs on a page; -- called also {obelisk}.
[1913 Webster]
{Dagger moth} (Zool.), any moth of the genus {Apatalea}. The
larv[ae] are often destructive to the foliage of fruit
trees, etc.
{Dagger of lath}, the wooden weapon given to the Vice in the
old Moralities. --Shak.
{Double dagger}, a mark of reference [[dag]] which comes next
in order after the dagger.
{To look daggers}, or {To speak daggers}, to look or speak
fiercely or reproachfully.
[1913 Webster]