senkan
1. caisson
Noun
#187085
1. caisson
1. Probably.; Likely.
1. Was a caisson.
1. Submerged tunnel; Caisson
1. Was not a caisson.; Did not involve a caisson.
1. It's not a tunnel.; It isn't a tunnel.
1. Was a caisson.; Used to be a caisson.
1. Caisson-related; Caisson-made
1. If/when tunneling; If/when using a cut-and-cover method
1. If/when submerged tunnel; If it were a submerged tunnel