noun the pintail duck.
2. cracker ·noun one who, or that which, cracks.
3. cracker ·noun a noisy boaster; a swaggering fellow.
4. cracker ·noun a pair of fluted rolls for grinding caoutchouc.
5. cracker ·noun a nickname to designate a poor white in some parts of the southern united states.
6. cracker ·noun a thin, dry biscuit, often hard or crisp; as, a boston cracker; a graham cracker; a soda cracker; an oyster cracker.
7. cracker ·noun 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.