noun. a chamber or room that serves as a waiting room and entrance to a larger room or an apartment; anteroom.

Why is it called a antechamber?

An antechamber is a smaller room or vestibule serving as an entryway into a larger one. The word is formed of the Latin ante camera, meaning "room before".

What is the root word of antechamber?

Word Origin. (as antichamber): from French antichambre, from Italian anticamera, from anti- 'preceding' + camera 'vault, arched chamber', from Greek kamara 'object with an arched cover'.