(architecture) Ancient masonry where walls are fitted together of huge irregular stones; architecture that is ancient and roughly composed.

An Ancient Greek mathematician, physicist and engineer. / (astronomy) A large lunar impact crater on the eastern edges of the Mare Imbrium.

(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

plural of Archimedes screw

(ecclesiastical) An abbey which is the seat of an archabbot (high monastic rank within an order or congregation)

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

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

Alternative spelling of archeopteryx

ancient; antediluvian; archaic; old; prehistoric; primitive

A specimen of the species Archaeopteryx lithographica, being the earliest and most primitive known bird, representing a transition in the evolution of dinosaurs to birds.