/ Dictionary / Index P pmt.: Meaning and Definition of Find definitions for: pmt. Pronunciation: [key] payment. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. PMS PN Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language