biscuit

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A small cake of shortened bread leavened with baking powder or soda.
2. n. Chiefly British A thin, crisp cracker.
3. n. Chiefly British A cookie.
4. n. A pale brown.
5. n. Clay that has been fired once but not glazed. Also called bisque².

Century Dictionary and Cyclopedia

1. n. A kind of hard, dry bread, consisting of flour, water or milk, and salt, and baked in thin flat cakes. The name is also extended to similar articles very variously made and flavored. See cracker.
2. n. A small, round, soft cake made from dough raised with yeast or soda, sometimes shortened with lard, etc.
3. n. In ceramics, porcelain, stoneware, or pottery after the first baking, and before the application of the glaze. Formerly bisque.

Wiktionary

1. n. A cookie.
2. n. A small bread usually made with baking soda, similar in texture to a scone, but usually not sweet.
3. n. A form of unglazed earthenware.
4. n. nautical The "bread" formerly supplied to naval ships; made with very little water, kneaded into flat cakes and slowly baked; often infested with weevils.
5. n. A light brown colour.
6. n. woodworking An 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.

GNU Webster's 1913

1. n. A kind of unraised bread, of many varieties, plain, sweet, or fancy, formed into flat cakes, and bakes hard.
2. n. A small loaf or cake of bread, raised and shortened, or made light with soda or baking powder. Usually a number are baked in the same pan, forming a sheet or card.
3. n. Earthen ware or porcelain which has undergone the first baking, before it is subjected to the glazing.
4. n. (Sculp.) A species of white, unglazed porcelain, in which vases, figures, and groups are formed in miniature.

WordNet 3.0

1. n. any of various small flat sweet cakes (`biscuit' is the British term)
2. n. small round bread leavened with baking-powder or soda