CIR has various meanings in the Ordnance Survey category. Discover the full forms, definitions, and usage contexts of CIR in Ordnance Survey.
Plane figure bounded by a line that, at all points, is equidistant from a point termed the 'Center' Can be considered as the section of a sphere by a plane Word is frequently applied to its circumference, as in 'position circle'
Ordnance SurveyIn British usage, an open area at a street junction or intersection or a group of buildings arranged around such a space, which may then serve as a public garden. A fighter sweep over enemy territory, particularly airfields to draw the fighters into battle.
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