/ Dictionary / Index P Prussia: Meaning and Definition of Find definitions for: Prus•sia Pronunciation: (prush'u), [key] — n. a former state in N Europe: became a military power in the 18th century and in 1871 led the formation of the German empire; formally abolished as an administrative unit in 1947. German,Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: prussia (Thesaurus) Prus. Prussian Related Content Daily Word Quiz: jovial Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language