grass (grasses plural & 3rd person present) (grassing present participle) (grassed past tense & past participle )
1 n-mass Grass is a very common plant consisting of large numbers of thin, spiky, green leaves that cover the surface of the ground.
Small things stirred in the grass around the tent..., The lawn contained a mixture of grasses.
2 n-sing If you talk about the grass, you are referring to an area of ground that is covered with grass, for example in your garden.
usu the N
I'm going to cut the grass.
3 n-uncount Grass is the same as marijuana.
INFORMAL
4 verb If you say that one person grasses on another, the first person tells the police or other authorities about something criminal or wrong which the second person has done.
(BRIT)
INFORMAL, disapproval
(=inform)
His wife wants him to grass on the members of his own gang... V on n
He was repeatedly attacked by other inmates, who accused him of grassing. V
Grass up means the same as grass., phrasal verb
How many of them are going to grass up their own kids to the police? V P n (not pron), Also V n P
5 n-count A grass is someone who tells the police or other authorities about criminal activities that they know about.
(BRIT)
INFORMAL, disapproval
(=informer)
6 If you say the grass is greener somewhere else, you mean that other people's situations always seem better or more attractive than your own, but may not really be so.
the grass is greener phrase V inflects He was very happy with us but wanted to see if the grass was greener elsewhere. grass over phrasal verb If an area of ground is grassed over, grass is planted all over it. usu passive The asphalt playgrounds have been grassed over or sown with flowers. be V-ed P grass up →
grass 4
grass roots , grass-roots, grassroots
The grass roots of an organization or movement are the ordinary people who form the main part of it, rather than its leaders. n-plural oft N n
You have to join the party at grass-roots level.
rye grass , ryegrass
Rye grass is a type of grass that is grown for animals such as cows to eat. n-uncount