noun

• (UK, Australia, Ireland, New Zealand, sometimes Canada, rare in the US and the Philippines) A small, flat, baked good which is either hard and crisp or else soft but firm; a cookie.
• (chiefly Canada, US, rare in Scotland and Guernsey) A small, usually soft and flaky bread, generally made with baking soda, which is similar in texture to a scone but which is usually not sweet.
• (UK, Philippines) A cracker.
• (nautical) The "bread" formerly supplied to naval ships, which was made with very little water, kneaded into flat cakes, and slowly baked, and which often became infested with weevils.
• A form of unglazed earthenware.
• A light brown colour.
• (woodworking) A thin oval wafer of wood or other material inserted into mating slots on pieces of material to be joined to provide gluing surface and strength in shear.
• (US, slang) A plastic card bearing the codes for authorizing a nuclear attack.
• (US, slang, hiphop) A handgun, especially a revolver.
• (ice hockey, shuffleboard) A puck (hockey puck).
• (slang) The head.