grass - definition and synonyms


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  1. 1
    [uncountable] a very common plant with thin green leaves that covers the ground. A single piece of grass is called a blade of grass

    We should cut the grass before it starts raining.

    Stephen was lying full length on the grass.

    1. a.
      [countable] a particular type of grass
    2. b.
      [uncountable] a tennis court made of grass

      He has proved he can play on grass.

    3. c.
  2. 2
    [uncountable] informal cannabis in the form of leaves or flowering buds
  3. 3
    [countable] British informal a person, usually a criminal, who tells the police what other criminals have done