caisson   (Sound)

The noun caisson has 4 senses

• coffer, caisson, lacuna -- (an ornamental sunken panel in a ceiling or dome)


• caisson -- (a two-wheeled military vehicle carrying artillery ammunition)


• caisson, ammunition chest -- (a chest to hold ammunition)


• caisson, pneumatic caisson, cofferdam -- (large watertight chamber used for construction under water)