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Related to clearage: cerclage
1. Open space between two elements of a building to aid in proper placement, to compensate for minor inaccuracies in cutting, or to allow unobstructed movement between parts.
2. The space or distance allowed for anchorage or erection processes or to accommodate dimensional variations in the building structure.
3. See door clearance.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.