An Illustrated Dictionary of Words used in Art and Archaeology / Explaining terms frequently used in works on architecture, arms, bronzes, Christian art, colour, costume, decoration, devices, emblems, heraldry, lace, personal ornaments, pottery, painting, sculpture, &c., with their derivations.

by John W. Mollett

Opus Albarium. (See Stucco.)

Fig. 503. Alexandrinum opus.

Opus Alexandrinum. A mosaic flooring much used by the Romans, consisting of geometric figures, and generally of only two kinds of tessera, red and black on a white ground. (See Musivum Opus.)

Opus Araneum (spider-work). A kind of embroidery, 13th century; modern “guipure d’art.”

Opus Consutum. Appliqué work in embroidery. (See Appliqué.)

Opus Filatorium. A kind of embroidery, 14th century; modern “filet brodé.”

Opus Græcum, R. Inlaid pavement. (See Musivum Opus.)

Opus Incertum, R. A Roman method of building; the construction of walls of very small rough stones, not laid in courses, but held together by the mortar.