/ Thesaurus / O Synonyms of ordnance survey Find synonyms for: Noun1. Ordnance Survey, administrative unit, administrative bodyusage: the official cartography agency of the British governmentWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language