| 单词 | caisson |
| 释义 | caisson 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. Phrases and idioms caisson disease = decompression sickness. Etymology: F (f. It. cassone) assim. to caisse CASE(2) |
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