round arch


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semicircular arch

A round arch whose intrados is a full semicircle.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
The curve of the uncial letter is the correlative, surely, of the round arch; it cannot be a coincidence that in southern Europe, where the pointed arch did not wholly replace the round, the uncial remained as the staple of all manuscripts.
Prefabricated, Ready Cut, Round Arch, Frigid, 20'x 48'
Its chief features are the circle, dome, and round arch; its chief symbols are the lily, cross, vesica, and nimbus.