oven

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A chamber or enclosed compartment for heating, baking, or roasting food, as in a stove, or for firing, baking, hardening, or drying objects, as in a kiln.

from The Century Dictionary.

• noun In bacteriology, a compartment which can be heated and maintained at a temperature sufficient to sterilize glassware and various bacteriological apparatus. Also hot-air sterilizer.
• To bake in an oven.
• To inclose; muffle up in an oven.
• noun A chamber or receptacle in which food is cooked by the heat radiated from the walls, roof, or floor.
• noun In general, any inclosed chamber adapted to or used for applying heat to raw materials or to articles in process of manufacture.
• noun A furnace.
• noun An oven-bird or its nest.

from the GNU version of the Collaborative International Dictionary of English.

• noun A place arched over with brick or stonework, and used for baking, heating, or drying; hence, any structure, whether fixed or portable, which may be heated for baking, drying, etc.; esp., now, a chamber in a stove, used for baking or roasting.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A chamber used for baking or heating.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun kitchen appliance used for baking or roasting