caisson

English Thesaurus

1. large watertight chamber used for construction under water (noun.artifact)

hypernym	:	chamber,
definition	:	a natural or artificial enclosed space (noun.artifact)

2. a chest to hold ammunition (noun.artifact)

hypernym	:	chest,
definition	:	box with a lid; used for storage; usually large and sturdy (noun.artifact)

3. a two-wheeled military vehicle carrying artillery ammunition (noun.artifact)

hypernym	:	military vehicle,
definition	:	vehicle used by the armed forces (noun.artifact)

domain category	:	armed forces, armed services, military, military machine, war machine,
definition	:	the military forces of a nation (noun.group)

4. an ornamental sunken panel in a ceiling or dome (noun.artifact)

hypernym	:	panel,
definition	:	sheet that forms a distinct (usually flat and rectangular) section or component of something (noun.artifact)