Defn: An enterprise. [Obs.] Spenser.

PRISE
Prise, n. & v.

Defn: See Prize, n., 5. Also Prize, v. t.

PRISER
Pris"er, n.

Defn: See 1st Prizer. [Obs.]

PRISM
Prism, n. Etym: [L. prisma, Gr. prisme.]

1. (Geom.)

Defn: A solid whose bases or ends are any similar, equal, and parallel plane figures, and whose sides are parallelograms.

Note: Prisms of different forms are often named from the figure of their bases; as, a triangular prism, a quadrangular prism, a rhombic prism, etc.

2. (Opt.)