Share this entry

Share this page

ordnance datum

Line breaks: ord|nance datum

Entry from British & World English dictionary

Definition of ordnance datum in English:


The mean sea level as defined for Ordnance Survey.

Definition of ordnance datum in:

Share this entry

Share this page


What do you find interesting about this word or phrase?

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day verbose
Pronunciation: vərˈbōs
using more words than are needed…