/ Dictionary / Index S seller: Meaning and Definition of Find definitions for: sell•er Pronunciation: (sel'ur), [key] — n. a person who sells; salesperson or vender. an article considered with reference to its sales: one of the poorest sellers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: seller (Thesaurus) sell date sellers' market Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language