| the landscaping and other nearby environmental features shown on a rendering of a building |
| having windows |
caisson (kəˈsuːn, ˈkeɪsən) ![]() | |
| —n | |
| 1. | a watertight chamber open at the bottom and containing air under pressure, used to carry out construction work under water |
| 2. | a similar unpressurized chamber |
| 3. | See also camel a watertight float filled with air, used to raise sunken ships |
| 4. | a watertight structure placed across the entrance of a basin, dry dock, etc, to exclude water from it |
| 5. | a. a box containing explosives, formerly used as a mine |
| b. an ammunition chest | |
| c. a two-wheeled vehicle containing an ammunition chest | |
| 6. | another name for coffer |
| [C18: from French, assimilated to caisse | |