Horses grazing in a field of Kentucky bluegrass.
Kentucky bluegrass definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a bluegrass (Poa pratensis) native to Eurasia, now widely grown in the U.S. as a lawn and pasture grass
Kentucky bluegrass definition by American Heritage Dictionary
A perennial rhizomatous grass (Poa pratensis) native to Eurasia and North Africa and naturalized throughout the United States. It is commonly cultivated for pasture and lawns.