a has various meanings in the Ordnance Survey category. Discover the full forms, definitions, and usage contexts of a in Ordnance Survey.
1.A series of arches supported by columns or other vertical elements.2.a series of arches supported by columns or piers, it may be attached to a wall (blind) or freestanding.3.An arch or a series of arches supported by piers or columns 4.A series of columns or piers spanned by arches.5.A series of arches supported by columns or piers, either attached to a wall or freestanding
Ordnance SurveyA final approach is the last leg in an aircraft's approach to landing, when the aircraft is lined up with the runway and descending for landing.
Ordnance SurveyIn ECDIS the 2 dimensional GEOMETRIC PRIMITIVE of an OBJECT that specifies location.
Ordnance SurveyThe passageways between blocks of pews.
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