ovenoven /ˈʌvən/ noun 
► oven
► oven a piece of equipment that you cook food inside, shaped like a metal box with a door on it. An oven is usually part of a stove: Heat the oven before you put the pizza in. The chicken is in the oven. It should be ready in a half hour.
► kiln a special oven for baking pots, bricks, and other things made of clay: The artist uses a special tool to remove the pots from the kiln.
► furnace a large container with a very hot fire inside it, used to melt metal: The large furnaces are used to produce steel. ➔ A furnace is also a piece of equipment that produces heat to make a building warm: We have a gas furnace in the basement.