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English definition of “the Ordnance Survey”

the Ordnance Survey

noun [S]     /ˌɔːd.nənsˈsɜː.veɪ/ US  /ˌɔːrd.nənsˈsɜːr-/
the government organization that makes detailed official maps of Britain and Northern IrelandMaps and map-makingNamed organizations and societies and their members
(Definition of the Ordnance Survey noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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