| English noun: caisson | |||
| 1. | caisson (artifact) an ornamental sunken panel in a ceiling or dome | ||
| Synonyms | coffer, lacuna | ||
| Broader (hypernym) | panel | ||
| 2. | caisson (artifact) a two-wheeled military vehicle carrying artillery ammunition | ||
| Broader (hypernym) | military vehicle | ||
| Domain category | armed forces, armed services, military, military machine, war machine | ||
| 3. | caisson (artifact) a chest to hold ammunition | ||
| Synonyms | ammunition chest | ||
| Broader (hypernym) | chest | ||
| 4. | caisson (artifact) large watertight chamber used for construction under water | ||
| Synonyms | cofferdam, pneumatic caisson | ||
| Broader (hypernym) | chamber | ||