caisson
Translation
caisson, watertight chamber, ammunition chest
Examples
Engineers used a caisson to build the bridge foundation.
Engineers used a caisson to build the bridge foundation.
The caisson carried ammunition for the artillery.
The caisson carried ammunition for the artillery.
Grammar Patterns
a caisson for (sth.) a structure for (sth.) They built a caisson for the bridge pier.
Similar Words
Synonyms: coffer, chest (for ammunition); watertight chamber (for construction)
Etymology
From French 'caisson', a large chest, from Italian 'cassone', augmentative of 'cassa' (box).
Memory Tips
Sounds like 'case on'. Imagine a large 'case on' the riverbed for underwater construction.