from The Century Dictionary and Cyclopedia
- n. The chamber or cavity of a shell in which an animal lives, as distinguished from that part from which the body of the animal has receded during the growth of the shell: said especially of fossil cephalopods.
Sorry, no etymologies found.
Whatever he meant by the gibe -- and some smack of an evil jest lurked in his tone -- he played the host so far as to urge his bewildered companion along the passage and into the living-chamber on the left, where he had seen from without that his orders to light and lay were being executed.
In the round living-chamber below Ramiro was alone.