Quiz: Remember the definition of mal de mer?


[rahy-gras, -grahs] /ˈraɪˌgræs, -ˌgrɑs/
any of several European grasses of the genus Lolium, as L. perenne (perennial ryegrass) grown for forage in the U.S.
1740-50; rye1 + grass Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
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
Cite This Source
Encyclopedia Article for rye-grass


any of about 10 species constituting the genus Lolium (family Poaceae), which includes forage and lawn grasses of temperate Eurasia and the noxious weed known as darnel (L. temulentum). Ryegrasses are about 0.3 to 1 m (1 to 3 feet) tall and have tough, dark green leaves. The flower spikelets grow in the angles of a zigzag rachis (flower stem). Both perennial ryegrass (L. perenne) and Italian ryegrass (L. multiflorum) germinate early and are important constituents of pasture and lawn-seed mixtures.

Learn more about ryegrass with a free trial on
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source

Word of the Day

Difficulty index for ryegrass

Some English speakers likely know this word

Word Value for rye

Scrabble Words With Friends

Quotes with rye-grass

Nearby words for rye-grass