from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An abnormal fear of being in narrow or enclosed spaces.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The fear of closed, tight places.
from The Century Dictionary and Cyclopedia
- n. In pathology, a morbid dread of confined places, to which hysterical and neurasthenic persons are sometimes subject. See agoraphobia.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a morbid fear of being closed in a confined space
Latin claustrum, enclosed place; see cloister + -phobia.(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin claustrum "a shut in place," from claudere "to close" + Greek phobos "fear." First attested in the British Medical Journal. (Wiktionary)