1. (noun) a room used primarily for sleeping

• bedchamber
• bedroom
• sleeping accommodation
• sleeping room

1. (noun) a natural or artificial enclosed space

• air lock
• airlock
• air-raid shelter
• bomb shelter
• bombproof
• burial chamber
• sepulcher
• sepulchre
• sepulture
• caisson
• cofferdam
• pneumatic caisson
• camera obscura
• cavity resonator
• resonating chamber
• resonator
• core
• cylinder
• piston chamber
• fireroom
• stokehold
• stokehole
• firing chamber
• gun chamber
• furnace
• hyperbaric chamber
• packing box
• stuffing box
• particle detector
• steam chest
• tokamak
• vacuum chamber

2. (noun) an enclosed volume in the body

• atrium
• heart ventricle
• ventricle

3. (noun) a room where a judge transacts business

• divan
• diwan

4. (noun) a room used primarily for sleeping

• boudoir
• child's room
• dorm room
• dormitory
• dormitory room
• guestroom
• hotel room
• master bedroom
• motel room

1. (noun) a natural or artificial enclosed space

• enclosure

2. (noun) an enclosed volume in the body

• bodily cavity
• cavity
• cavum

3. (noun) a room where a judge transacts business

• room

4. (noun) a deliberative or legislative or administrative or judicial assembly

• assembly

5. (noun) a room used primarily for sleeping

• room

6. (verb) place in a chamber

• domiciliate
• house
• put up