单词	caisson
释义	cais·son \ˈkāˌsän, -_sən, Brit often kəˈsün\ noun (-s) Etymology: French, aug. of caisse box, from Old Provençal caisa, from Latin capsa small box — more at case (box) 1.  a. : a chest packed with explosives so that it can be laid in the way of an enemy and exploded on his approach  b. : a chest to hold ammunition  c. : a 2-wheeled vehicle for artillery ammunition attachable to a horse-drawn limber for marching 2.  a. : a watertight chamber used in construction work under water (as in a harbor or river) or as a foundation — see box caisson, open caisson, pneumatic caisson; compare cofferdam  b. : a large cistern used to float forward materials of construction during the work of extending a canal over lower ground  c. : a float for raising a sunken vessel : camel  d. : a hollow floating box or a boat used as a floodgate for a dock or basin 3. : coffer 4a [caisson 1c]
随便看	bench key bench knife benchland bench lathe bench-legged bench-made benchman bench mark benchmark benchmarking bench plane bench press bench-press benchrest bench saw bench screw bench seat bench show bench table bench terrace bench warmer bench warrant bench winder benchwork benchy

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