/ Dictionary / Index P PTA: Meaning and Definition of Find definitions for: PTA Pronunciation: [key] See Pta. Pronunciation: [key] — pl. Ptas. peseta. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Pt Ptah Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language