To cook by dry heat in a closed place, such as an oven: primarily used of this manner of cooking bread, but afterward applied to potatoes, apples, etc., and also flesh and fish: to be distinguished from roast (which see).To harden by heat, either in an oven, kiln, or furnace, or by the sun's heat: as, to bake bricks or pottery.3. To harden by cold.To do the work of baking.To undergo the process of baking.n. A baking.