/ Dictionary / Index P pos.: Meaning and Definition of Find definitions for: pos. Pronunciation: [key] position. positive. possession. possessive. P.O.S. Pronunciation: [key] point-of-sale; point-of-sales. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pos (Thesaurus) port-wine stain posada Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language