caisson
noun/ˈkeɪsn/
/ˈkeɪsɑːn/, /ˈkeɪsn/
- a large concrete structure that does not allow water to get in, in which construction work can be done under water
- The caissons allowed us to protect the equipment and ensure safe exploration.
Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
Check pronunciation:
caisson