Meaning of GRASS in English

GRASS

/ grɑːs; NAmE græs/ noun , verb

■ noun

1.

[ U ] a common wild plant with narrow green leaves and stems that are eaten by cows, horses, sheep, etc. :

a blade of grass

The dry grass caught fire.

2.

[ C ] any type of grass :

ornamental grasses

3.

[ sing. , U ] (usually the grass ) an area of ground covered with grass :

to cut / mow the grass

Don't walk on the grass .

Keep off the grass. (= on a sign)

4.

[ U ] ( slang ) marijuana

5.

[ C ] ( BrE , informal , usually disapproving ) a person, usually a criminal, who tells the police about sb's criminal activities and plans

—compare supergrass

IDIOMS

- the grass is (always) greener on the other side (of the fence)

- not let the grass grow under your feet

- put sb out to grass

—more at snake noun

■ verb

[ v ] grass (on sb) (also ˌgrass sb ˈup ) (both BrE , informal ) to tell the police about sb's criminal activities

PHRASAL VERBS

- grass sth over

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WORD ORIGIN

Old English græs , of Germanic origin; related to Dutch gras , German Gras , also ultimately to green and grow .

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.