ov ‧ en S3 /ˈʌv ə n/ BrE AmE noun [countable]
[ Language: Old English ; Origin: ofen ]
1 . a piece of equipment that food is cooked inside, shaped like a metal box with a door on the front ⇨ cooker , stove :
Preheat the oven to 200 degrees C.
Press the mixture onto the bread and bake in a hot oven for ten minutes.
2 . like an oven informal uncomfortably hot ⇨ have a bun in the oven at ↑ bun (5)