/ Dictionary / Index P pooch: Meaning and Definition of Find definitions for: pooch Pronunciation: (pch), [key] — n. Informal. a dog. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pooch (Thesaurus) poobah pood Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language