A dry, thin, crispy baked bread (usually salty or savoury, but sometimes sweet, as in the case of graham crackers and animal crackers).

plural of cracker / (South Africa, only plural) A kind of noisy leather pants or trousers.

(UK, colloquial) Crazy, insane.

plural of graham cracker

A small, dry, usually round or hexagonal cracker.

(US) A party favor in the form of a Christmas cracker

plural of oyster cracker

plural of prawn cracker

(organic chemistry) A petroleum refining plant that carries out steam cracking

A light, deep-fried snack made from shrimp and starch, popular in East Asian cuisine.