/ Dictionary / Index P pinner: Meaning and Definition of Find definitions for: pin•ner Pronunciation: (pin'ur), [key] — n. a person or thing that pins. a headdress with a long hanging flap pinned on at each side. a small apron fastened on by pins. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pinner (Thesaurus) pinnatisect pinnigrade Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language