semicircular arch


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Related to semicircular arch: segmental arch

semicircular arch

A round arch whose intrados is a full semicircle.
References in periodicals archive ?
Its architect Robert Adam was no 'Palladian' but his bridge design shared the following features with the Rialto design: the incorporation of rows of shops; a pavilion constructed on each bank; central pediments facing both upstream and down; the whole carried on three semicircular arches of equal size.
External walls of the hall are of face brick construction with semicircular arched window openings; other square or rectangular windows are of more recent origin.
It has a Romanic semicircular arched window (early 13th century) and valuable mural paintings.
The colonnade provides shade and shelter, mediating between public and private domains, its semicircular arches of honey coloured stone rhythmically articulating the facade.
It forms a perfect rectangle, separated into three naves by a series of semicircular arches on rough, plain columns.