(architecture) An arch in the shape of ogive.

(roofing) A metal roof panel, typically a double standing seam or batten seam; usually requires solid decking underneath and relies of slope to shed water

Abbreviation of archaic. / Abbreviation of architectural.

(uncountable) Abbreviation of archaism. / (uncountable) Abbreviation of archery. / (countable) Abbreviation of archipelago. / (countable) Abbreviation of architect.

plural of Archimedes screw

(roofing) An asphalt shingle that provides a three-dimensional appearance.

The set of diagrams and metadata which fully defines and describes an enterprise architecture.

(anatomy) An arch formed by the zygomatic process of the temporal bone and the temporal process of the zygomatic bone.

Alternative spelling of archeopteryx

ancient; antediluvian; archaic; old; prehistoric; primitive