/ Dictionary / Index P peter: Meaning and Definition of Find definitions for: pe•ter Pronunciation: (pē'tur), [key] — peter out, to diminish gradually and stop; dwindle to nothing: The hot water always peters out in the middle of my shower. to tire; exhaust (usually used as a past participle): I'm petered out after that walk. pe•ter Pronunciation: (pē'tur), [key] — n. Slang (vulgar) penis. pe•ter Pronunciation: (pē'tur), [key] — n. Whist. a signal for an echo. Pe•ter Pronunciation: (pē'tur), [key] — n. Also calleddied a.d.67?, one of the 12 apostles and the reputed author of two of the Epistles. either of these two Epistles in the New Testament, I Peter or II Peter. a word formerly used in communications to represent the letter P. a male given name. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: peter (Thesaurus) Petén-Itzá Peter I Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language