ancient / primitive

A prism with a triangular base.

An alternative name for Priscilla, an early Christian. / (rare) A female given name from Latin.

A compass, equipped with a small prism, that allows the heading to be read while sighting

plural of prison cell

A tool for prising something open. / Obsolete form of prizer.

In a prismatic way.

(mathematics) Any polyhedron whose vertices all lie in either of two parallel planes

Alternative spelling of Pristina

plural of priser