- (antechamber) anteroom: a large entrance or reception room or area
- (Antechamber) An entrance, vestibule, or foyer.
- (Antechamber) A small auxiliary combustion-chamber, used in some compression-ignition engines, in which partial combustion of the fuel is used to force the burning mixture into the cylinder, so promoting more perfect combustion.
- (antechamber) (10) -- a room which leads to the chief room of a building (Oxford Dict.)
- An antechamber is a small side room connected to a larger one. There are several small antechambers mentioned. One is connected to the Entrance Hall, across from the Great Hall. ...