the official map-making body of the British or Irish government
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use Ordnance Survey in a sentence
There are many excellent maps issued, but it is best to go to the fountainhead, to the publications of the Ordnance Survey.The Cornwall Coast | Arthur L. Salmon
The Ordnance Survey maps in England are somewhat of an approach thereto, but they are in no way as interesting to study.The Automobilist Abroad | M. F. (Milburg Francisco) Mansfield
On leaving college in 1824 he received a post in the Ordnance Survey, but gradually drifted into engineering work.
(it is not, I believe, marked on the Ordnance Survey;) and would it be possible to traverse it at the present time?
The Ordnance Survey, too, no longer depends on the war office but upon the board of agriculture and fisheries.