/ Dictionary / Index G guard hair: Meaning and Definition of Find definitions for: guard' hair" Pronunciation: [key] the long, usually stiff outer hair protecting the underfur in certain animals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. guardee guardhouse Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language