Breadcrumb Home > Dictionary > Index W weight for age: Meaning and Definition of Find definitions for: weight' for age' Pronunciation: [key] — Horse Racing. Horse Racing. the poundage assigned to be borne by a horse in a race, based on the age of the horse. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. weighted mean weightism TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: criticaster Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language