English to English

noun (n)

• large watertight chamber used for construction under water

  ruang kedap air besar digunakan untuk pembangunan di bawah air

  Synonym:
  caisson, pneumatic caisson
  

  source: wordnet30
• A water- tight inclosure, as of piles packed with clay, from which the water is pumped to expose the bottom (of a river, etc.) and permit the laying of foundations, building of piers, etc.

  air- inclosure ketat, sebagai tumpukan dikemas dengan clay, dari mana air dipam menampakkan bahagian bawah (dari sungai, dll. ) dan izin dari yayasan yang terbaring, pembangunan piers, dll.

  source: webster1913