/ Dictionary / Index P pickaback: Meaning and Definition of Find definitions for: pick•a•back Pronunciation: (pik'u-bak"), [key] — adv., adj. piggyback (defs. 1, 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pickaback (Thesaurus) pick pickaback plane Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language