Defn: Prattle. [R.] Jeffrey.
PRATTLER
Prat"tler, n.
Defn: One who prattles. Herbert.
PRAVITY
Prav"i*ty, n. Etym: [L. pravitas, from pravus crooked, perverse.]
Defn: Deterioration; degeneracy; corruption; especially, moral crookedness; moral perversion; perverseness; depravity; as, the pravity of human nature. "The pravity of the will." South.
PRAWN Prawn, n. Etym: [OE. prane, of unknown origin; cf. L. perna a sea mussel.] (Zoöl.)
Defn: Any one of numerous species of large shrimplike Crustacea having slender legs and long antennæ. They mostly belong to the genera Pandalus, Palæmon, Palæmonetes, and Peneus, and are much used as food. The common English prawn in Palæmon serratus.
Note: The name is often applied to any large shrimp.
PRAXINOSCOPE
Prax*in"o*scope, n. Etym: [Gr. -scope.] (Opt.)
Defn: An instrument, similar to the phenakistoscope, for presenting to view, or projecting upon a screen, images the natural motions of real objects.