音标：['keisn]
n. 弹药箱, 弹药车, 沉箱(水下工程用)
【医】 沉箱
字博缘文学网在线英汉词典
caisson的短语、例句：
caisson
n
1 large watertight box or chamber in which men can work under water (eg when building foundations) 沉箱（工人进行水下作业, 如建底座时所乘的大潜水箱）.
2 large box (usu on wheels) in which ammunition is carried 弹药箱; （通常为）弹药车.
caisson