Crack"er (kr?k"?r), n.
One who, or that which, cracks.
A noisy boaster; a swaggering fellow.
What cracker is this same that deafs our ears?
A small firework, consisting of a little powder inclossed in a thick paper cylinder with a fuse, and exploding with a sharp noise; -- often called firecracker.
A thin, dry biscuit, often hard or crisp; as, a Boston cracker; a Graham cracker; a soda cracker; an oyster cracker.
A nickname to designate a poor white in some parts of the Southern United States.
The pintail duck.
7. pl. Mach.
A pair of fluted rolls for grinding caoutchouc.
© Webster 1913.