Breadcrumb Home > Dictionary > Index P pup: Meaning and Definition of Find definitions for: pup Pronunciation: (pup), [key] — n., v., pupped, pup•ping. —n. a young dog; puppy. the young of certain other animals, as the rat or fur seal. a small plant developing as an offshoot from a mature plant. —v.i. to give birth to pups. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pup (Thesaurus) puny pupa TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: parallax Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language