grass

1 grass /ˈgræs/ Brit /ˈgrɑːs/ noun
plural grasses
1 grass
/ˈgræs/ Brit /ˈgrɑːs/
noun
plural grasses
Britannica Dictionary definition of GRASS
1 
a  [noncount] : plants that have narrow green leaves, that are eaten by cows, sheep, horses, etc., and that are commonly grown on lawns and in gardens
— often used before another noun
b  [count] : a particular type of grass
3 
[count] British slang : a person who gives information to the police about the criminal activity of other people : a police informer — see also supergrass

let the grass grow under your feet

: to wait before doing something or to do something slowly — used in negative statements

put (someone) out to grass

British
: to force (someone) to leave a job because of old age

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

— used to say that the things you do not have always seem more appealing than the things you do have

— grasslike

/ˈgræsˌlaɪk/ Brit /ˈgrɑːsˌlaɪk/ adjective

— grassy

/ˈgræsi/ Brit /ˈgrɑːsi/ adjective grassier; grassiest
2 grass /ˈgræs/ Brit /ˈgrɑːs/ verb
grasses; grassed; grassing
2 grass
/ˈgræs/ Brit /ˈgrɑːs/
verb
grasses; grassed; grassing
Britannica Dictionary definition of GRASS
[+ object]
: to cover (an area) with grass — often + over

grass on/up

[phrasal verb]
grass on (someone) also grass (someone) up British slang
: to tell the police about the criminal activity of (someone)