Ordnance Survey
Appearance
English
[edit]Etymology
[edit]So called because in earlier days the survey was carried out under the direction of the Master-general of the Ordnance.
Proper noun
[edit]- (British) Originally the branch of government that produced maps for the military, now a civilian organisation that produces maps worldwide.
- Synonym: OS
- Similar organisations in Ireland and Northern Ireland.
- Related terms: OSNI