Breadcrumb Home > Dictionary > Index H hair grass: Meaning and Definition of Find definitions for: hair' grass" Pronunciation: [key] any of various grasses having slender stems and leaves, esp. one of the genus Deschampsia, as D. flexuosa or D. caespitosa. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hair follicle, hair hygrometer TrendingHere are the facts and trivia that people are buzzing about. Biographies: Notable Jewish Religious Leaders Current Events This Week: September 2023 Hispanic Population and the 2010 U.S. Census Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: radula Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language