Dutch oven

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

• noun A large, heavy pot or kettle, usually of cast iron and with a tight lid, used for slow cooking.
• noun A metal utensil open on one side and equipped with shelves, placed before an open fire for baking or roasting food.
• noun A wall oven in which food is baked by means of preheated brick walls.

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

• noun a large metal cooking pot with a tight-fitting lid
• noun a portable oven consisting of a metal box, with shelves, placed before an open fire
• noun a prank in which one farts in bed and pulls the bedclothes over one's bed-mate's head
• noun a room full of marijuana smoke

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

• noun iron or earthenware cooking pot; used for stews
• noun an oven consisting of a metal box for cooking in front of a fire