opus Alexandrinum

(redirected from Cosmatesque)
Also found in: Wikipedia.

opus Alexandrinum

A mosaic of relatively large pieces of marble or stone, cut to shape and arranged in geometric patterns, usually a mosaic pavement consisting of geometrical figures in black and red tesserae on white ground.
References in periodicals archive ?
The pavement was Cosmatesque marble, and the ceiling contained the crests of Clement VII and Fra Egidio.
Among the half-dozen or so that once were there, the Cosmatesque tomb of Pope Clement IV (died 1268), preserved in something close to its original state, includes the oldest extant recumbent effigy in Italy.