2. A noisy boaster; a swaggering fellow. [Obs.]
What cracker is this same that deafs our ears?
--Shak.
3. A small firework, consisting of a little powder inclosed
in a thick paper cylinder with a fuse, and exploding with
a sharp noise; -- often called {firecracker}.
4. A thin, dry biscuit, often hard or crisp; as, a Boston
cracker; a Graham cracker; a soda cracker; an oyster
cracker.
5. A nickname to designate a poor white in some parts of the
Southern United States. --Bartlett.
6. (Zo["o]l.) The pintail duck.
7. pl. (Mach.) A pair of fluted rolls for grinding
caoutchouc. --Knight.