chamber
n. countablen. a large room used for a formal or private purpose. It can also mean an enclosed space inside a machine or a person's body.
n. a large room, typically one used for formal meetings or private living quarters; also refers to an enclosed space or cavity within a structure or organism.
The heart has four chambers that pump blood.
The committee met in a private chamber to discuss the sensitive legal documents away from the public.
The archaeologists discovered a hidden burial chamber deep within the pyramid, containing artifacts that had remained untouched for over three millennia.
From Middle English chambre, borrowed from Old French chambre, from Latin camera, from Ancient Greek καμάρα (kamára, “vaulted chamber”). Doublet of camera.
Often used in technical contexts to describe parts of a machine or anatomical structures; in legal contexts, 'in chambers' refers to a judge's private office.