door

A flat part you open or close to enter or leave a room, building, or vehicle.

• Please close the door.
• Someone knocked on our front door.
• Are the car doors locked?

Common phrases: front door, open the door, car door, door handle

A part that opens and closes on a cupboard, machine, or other object.

• Close the fridge door.
• One cupboard door needs fixing.
• The machine stops when you open its door.

Common phrases: cupboard door, oven door, fridge door