n. 1 a watertight chamber in which underwater construction work can be done. 2 a floating vessel used as a floodgate in docks. 3 an ammunition chest or wagon. caisson disease = decompression sickness.
[ F (f. It. cassone) assim. to caisse CASE(2) ]
CAISSON
Meaning of CAISSON in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012