/ Dictionary / Index P pony pack: Meaning and Definition of Find definitions for: po'ny pack" Pronunciation: [key] a tray of usually one dozen growing plants that can be bought from a nursery for transplanting: a pony pack of tomato plants. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Pony League ponytail Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language