cofferdam [kôf′ərdam΄, käf′ərdam΄]
1. a watertight temporary structure in a river, lake, etc., for keeping the water from an enclosed area that has been pumped dry so that a bridge foundation, dam, or pier may be constructed
2. a watertight box or chamber attached to the side of a ship so that repairs can be made below the waterline
3. an empty space serving as a protective barrier, as between two compartments of a ship

English World dictionary. . 2014.

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  • Cofferdam — Cof fer*dam, n. 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. [1913 Webster] …   The Collaborative International Dictionary of English

  • Cofferdam — Cofferdam, s. Kofferdamm …   Meyers Großes Konversations-Lexikon

  • Cofferdam — (engl.), s.v.w. Kofferdamm …   Kleines Konversations-Lexikon

  • cofferdam — [kɔfɛʀdam] n. m. ÉTYM. 1891 (Année sc. et industr. 1892, p. 147); de l angl. coffer « coffre », et dam « digue ». ❖ ♦ Techn. (mar.). Séparation formée par deux cloisons transversales entre un compartiment à cargaison et la chambre des machines…… …   Encyclopédie Universelle

  • cofferdam — m DEFINICIJA v. koferdam …   Hrvatski jezični portal

  • Cofferdam — A cofferdam on the Ohio River near Olmsted, Illinois, built for the purpose of constructing the Olmsted Lock and Dam …   Wikipedia

  • cofferdam — /kaw feuhr dam , kof euhr /, n. 1. a watertight enclosure placed or constructed in waterlogged soil or under water and pumped dry so that construction or repairs can proceed under normal conditions. 2. Naut. a sealed void between two bulkheads,… …   Universalium

  • Cofferdam — Un cofferdam ou maille sèche est un espace de séparation entre deux parties de la coque d un navire ; il est délimité par deux cloisons étanches de part et d autre. Les cofferdams sont utilisés sur les navires cargo pour séparer la salle des …   Wikipédia en Français

  • cofferdam — noun Date: 1736 1. a watertight enclosure from which water is pumped to expose the bottom of a body of water and permit construction (as of a pier) 2. a watertight structure for making repairs below the waterline of a ship …   New Collegiate Dictionary

  • cofferdam — noun a) A temporary watertight structure that is pumped dry to enclose an area underwater and allow construction work on a ship, bridge, or rig to be carried out; a caisson. b) An empty space that acts as a protective barrier between two floors… …   Wiktionary

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