caisson
1.
(
noun
) large watertight chamber used for construction under water
Synonyms:
cofferdam
,
pneumatic caisson
Related Words:
chamber
2.
(
noun
) a chest to hold ammunition
Synonyms:
ammunition chest
Related Words:
chest
3.
(
noun
) a two-wheeled vehicle carrying artillery ammunition
Related Words:
military vehicle
4.
(
noun
) an ornamental sunken panel in a ceiling or dome
Synonyms:
coffer
,
lacuna
Related Words:
panel
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