Arched-buttress or Flying Buttress, Arch. An incomplete arch supporting the spandrels of a roof. It springs from a Buttress (q.v.).
Archeria, Med. Lat. A vertical loophole from which arrows could be discharged.
Archibault. (See Archivolt.)
Architrave, Gr. and R. (ἀρχὸς, chief; and Ital. trave, a beam). That part of a structure which rests immediately on the capital of a column or pilaster. Architraves are surmounted by a frieze and a cornice.
Archivium, Gr. and R. A building in which archives (charters and records) of a city or state were deposited. It was also called Archeion or Tabularium (q.v.).
Archivolt or Archibault, (arcus, and volutus, rolled round). The whole of the mouldings decorating an arch or arcade, and following the contour of the same.
Archlute, old Eng. A kind of theorbo, or double-necked lute. 16th century.
Archy. (See Arched.)
Arcosolium, Chr. (arcus, and solium, a coffin). An arched or vaulted sepulchral chamber in the catacombs, sanctified by the interment of martyrs and holy persons; and in later generations often richly decorated, as with marble incrustations, paintings, and mosaics. The arcosolia in which Christians of small means were buried are constructed in the walls of the passages in the catacombs. The wealthier Christians, however, had arcosolia specially excavated for their family and friends; the following inscription is frequently found on them: Nobis et nostris et amicis.
Arcuatio, R. A structure formed by means of arches or arcades, and employed to support a construction of any kind, such as a bridge, aqueducts, &c.