CAISSON





Definition:

  1. [noun] an ornamental sunken panel in a ceiling or dome
    Synonyms: coffer, lacuna

  2. [noun] a two-wheeled military vehicle carrying artillery ammunition

  3. [noun] a chest to hold ammunition
    Synonyms: ammunition chest

  4. [noun] large watertight chamber used for construction under water
    Synonyms: pneumatic cofferdam

Synonyms: