a transparent body, as of glass, whose ends are equal and parallel triangles, and whose three sides are parallelograms, used for refracting or dispersing light, as into the spectrum; a prism.

a collection of scriptures originally recorded from oral traditions in the first century B.C., divided into one of three parts (Pitaka): sermons (Sutta Pitaka), the rules of the Buddhist order (Vinaya Pitaka), and several treatises on philosophy and psychology (Abhidhamma Pitaka); Pali canon; Tripitaka.