noun, often attributive
\ˈgras \

Definition of grass 

(Entry 1 of 3)

1 : herbage suitable or used for grazing animals

2 : any of a large family (Gramineae synonym Poaceae) of monocotyledonous mostly herbaceous plants with jointed stems, slender sheathing leaves, and flowers borne in spikelets of bracts

3 : land (such as a lawn or a turf racetrack) covered with growing grass keep off the grass the horse had never won on grass

4 grasses plural : leaves or plants of grass

5 : a state or place of retirement put out to grass

6 [ short for grasshopper, rhyming slang for copper ] slang, British : a police informer

7 : electronic noise on a radarscope that takes the form of vertical lines resembling lawn grass

8 : marijuana


grassed; grassing; grasses

Definition of grass (Entry 2 of 3)

transitive verb

1 : to feed (livestock) on grass sometimes without grain or other concentrates

2 : to cover with grass especially : to seed to grass

intransitive verb

1 : to produce grass

2 slang, British : inform sense 1 often used with on


biographical name
\ˈgräs \

Definition of Grass (Entry 3 of 3)

Günter Wilhelm 1927–2015 German writer

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Other Words from grass


grassless \ˈgras-ləs \ adjective
grasslike \ˈgras-ˌlīk \ adjective

Examples of grass in a Sentence


They were smoking some grass.

Recent Examples on the Web: Noun

That was exactly the same amount of time Nadal required to defeat Federer in their epic 2008 final played in sunlight and deep shadow on this same stretch of grass. Christopher Clarey, New York Times, "On a Wild Day at Wimbledon, Federer Exits and Nadal Hangs On," 11 July 2018 In one photograph, North, Kim and Kris casually sit in a field of grass donning pieces of Fendi clothing and surrounded by Peekaboo bags with North bursting with laughter in her mother’s lap. Kaitlyn Frey,, "North West Makes Modeling Debut Alongside Kim Kardashian and Kris Jenner in New Fendi Campaign," 9 July 2018 John ran it into a tall patch of grass and the motor burned out. Marni Jameson,, "Next generation of homeowners go for greener yard tools," 6 July 2018 To Gyasi Zardes, who grew up in Hawthorne, StubHub Center is infinitely more than a patch of grass. Helene Elliott,, "Since leaving the Galaxy, Gyasi Zardes has found a home and his game in Columbus," 6 July 2018 Peterson said the photos show her daughter's character being assaulted by two man on a patch of grass as a female observer jumps on her body. Jennifer Earl, Fox News, "North Carolina mom warns of popular Roblox video game after 7-year-old's avatar 'violently gang raped'," 6 July 2018 The shelter is a white frame house with a spacious yard covered with a thick layer of grass. Author: Maria Sacchetti, Kevin Sieff, Marc Fisher, Anchorage Daily News, "Separated migrant children are all over the country," 25 June 2018 Between starts, Speedball likes to birdwatch, spelunk and hunt for blades of grass in his grandpa’s backyard. Paul Daugherty,, "Paul Daugherty's Morning Line: You can't make the MLB Draft fun and Allegiant Air sucks," 4 June 2018 Visitors, hurrying to their hotels or to the new stadium on the bank of the Volga River, would see a tidy town surrounded by seas of green grass and trees. Ivan Nechepurenko, New York Times, "Peeking Around Corners in the World Cup’s Provincial Cities," 14 July 2018

Recent Examples on the Web: Verb

Related stories from Star-Telegram Hamels delivers gem as Rangers sweep Mariners Beyond a wild-card race, Rangers from Venezuela in dire fight for family and country Rangers’ new ballpark won’t look like Minute Maid Park, but will grass grow? Jeff Wilson, star-telegram, "Has DeShields raced his way into Rangers’ 2018 lineup?," 21 Sep. 2017 How long should grass get before your town issues a warning or even a fine? Linda Kinsey,, "How should your community handle homeowners whose lawns are overgrown? Share your comments," 21 June 2017 Robotic lawn mowers like the Honda Miimo ($2,499); Robomow ($1,299); and Worx Landroid ($999) are to grass what the Roomba and its ilk are to carpet. Maria Carter, Country Living, "The Roomba for Lawns Is a Yard Work Game-Changer," 19 Apr. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'grass.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of grass


before the 12th century, in the meaning defined at sense 1


circa 1500, in the meaning defined at transitive sense 1

History and Etymology for grass


Middle English gras, from Old English græs; akin to Old High German gras grass, Old English grōwan to grow

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Dictionary Entries near grass

grasp for






grass bass

Statistics for grass

Last Updated

19 Oct 2018

Look-up Popularity

Time Traveler for grass

The first known use of grass was before the 12th century

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More Definitions for grass



English Language Learners Definition of grass

 (Entry 1 of 2)

: plants that have narrow green leaves, that are eaten by cows, sheep, horses, etc., and that are commonly grown on lawns and in gardens

: a particular type of grass

: a person who gives information to the police about the criminal activity of other people : a police informer



English Language Learners Definition of grass (Entry 2 of 2)

: to cover (an area) with grass


\ˈgras \

Kids Definition of grass

1 : any of a large group of green plants with jointed stems, long slender leaves, and stalks of clustered flowers

2 : plants eaten by grazing animals

3 : land (as a lawn) covered with growing grass

Other Words from grass

grasslike \-ˌlīk \ adjective


\ˈgras \

Medical Definition of grass 

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Comments on grass

What made you want to look up grass? Please tell us where you read or heard it (including the quote, if possible).


one that holds something together

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