caisson work

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• Caisson — Cais son, n. [F., fr. caisse, case, chest. See 1st {Case}.] 1. (Mil.) (a) A chest to hold ammunition. (b) A four wheeled carriage for conveying ammunition, consisting of two parts, a body and a limber. In light field batteries there is one… …   The Collaborative International Dictionary of English

• caisson disease — Caisson disease, or the bends, as the most prevalent and dangerous ailment of divers or men who work in a compressed air atmosphere is known, results when a diver who has been working under great pressure is too quickly brought to the surface and …   Ballentine's law dictionary

• caisson — [kā′sən, kā′sän΄] n. [Fr < It cassone < cassa, a chest < L capsa, a box, CASE2] 1. a chest for holding ammunition 2. a two wheeled wagon for transporting ammunition 3. a watertight enclosure inside which underwater construction work can… …   English World dictionary

• Caisson lock — A caisson lock is a type of canal lock in which a narrowboat is enclosed in a sealed box and raised or lowered between two water levels.HistoryIt was first demonstrated at Oakengates on the now lost Shropshire Canal in 1792, where its inventor,… …   Wikipedia

• caisson — caissoned, adj. /kay seuhn, son/, n. 1. a structure used in underwater work, consisting of an airtight chamber, open at the bottom and containing air under sufficient pressure to exclude the water. 2. a boatlike structure used as a gate for a… …   Universalium

• Caisson (engineering) — In geotechnical engineering, a caisson is a retaining, watertight structure used, for example, to work on the foundations of a bridge pier, for the construction of a concrete dam, or for the repair of ships. These are constructed such that the… …   Wikipedia

• caisson — noun Etymology: French, from Middle French, from Old Occitan, from caissa chest, from Latin capsa more at case Date: circa 1702 1. a. a chest to hold ammunition b. a usually 2 wheeled vehicle for artillery ammunition attachable …   New Collegiate Dictionary

• 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.… …   Useful english dictionary

• caisson — cais|son [ˈkeısən, kəˈsu:n US ˈkeısa:n, sən] n [Date: 1600 1700; : French; Origin: caisse box , from Latin capsa; CASE1] 1.) a large box filled with air, that people go into to work under water, for example when building bridges 2.) a large box… …   Dictionary of contemporary English

• caisson —    (KAY son) [French, from caisse: box; chest] A watertight chamber that makes it possible to work on underwater structures such as a bridge pier; a device to raise sunken ships. Also, a two wheeled vehicle for carrying artillery ammunition …   Dictionary of foreign words and phrases

• caisson — [ keɪs(ə)n, kə su:n] noun 1》 a large watertight chamber in which underwater construction work may be carried out. 2》 a vessel or watertight structure used as a gate across the entrance of a dry dock or basin. Origin C17: from Fr., lit. large… …   English new terms dictionary