(n.) 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.
(n.) A thin, dry biscuit, often hard or crisp; as, a Boston cracker; a Graham cracker; a soda cracker; an oyster cracker.
(n.) A nickname to designate a poor white in some parts of the Southern United States.
(n.) The pintail duck.
(n.) A pair of fluted rolls for grinding caoutchouc.