[rahy-gras, -grahs]


any of several European grasses of the genus Lolium, as L. perenne (perennial ryegrass), grown for forage in the U.S.

Origin of ryegrass

First recorded in 1740–50; rye1 + grass
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for rye-grass

Historical Examples of rye-grass

British Dictionary definitions for rye-grass



any of various grasses of the genus Lolium, esp L. perenne, native to Europe, N Africa, and Asia and widely cultivated as forage crops. They have a flattened flower spike and hairless leaves
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012