/ Dictionary / Index P potass: Meaning and Definition of Find definitions for: pot•ass Pronunciation: (pot'as"), [key] — n. potash. potassium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. potash feldspar potassa Related Content Daily Word Quiz: novice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language