Definition of Ordnance Survey from the Oxford Advanced Learner's Dictionary


Ordnance Survey

; NAmE
(abbreviation OS)
jump to other results
the British government organization responsible for making maps of Britain. These are available in a range of different scales, some of which are very detailed. They are especially popular with people who enjoy walking in the countryside. The OS was started in 1791 to make maps for the army. It also produces historical maps.

Other results

All matches