cassoon
(kəˈsuːn)
[ad. It. casone, or OF. casson large chest, mod.F. caisson.]
An occasional variant of caisson: a. an ammunition chest; b. Arch. a sunken panel. (= caisson 1 a, 3.)
| 1799 Chron. in Ann. Reg. 3/1 Twelve brass field pieces three pounders with their cassoons. 1850 J. Leitch Müller's Anc. Art §53. 27 The ornamental forms of the cassoons (ϕατνώµατα, lacunaria). |