Definition of blood noun from the Oxford Advanced American Dictionary

      

    blood

     noun
    noun
    NAmE//blʌd//
     
     
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  1. 1[uncountable] the red liquid that flows through the bodies of humans and animals He lost a lot of blood in the accident. Blood was pouring out of a cut on her head. to give blood (= to have blood taken from you so that it can be used in the medical treatment of other people) to draw blood (= to wound a person so that they lose blood) a blood cell/sample the blood supply to the brain dried blood
  2. 2-blooded (in adjectives) having the type of blood mentioned cold-blooded reptiles see also blue-blooded, hot-blooded, red-blooded
  3. 3[uncountable] (formal) family origins She is of noble blood. There is some Polish blood on his father's side.
  4. Idioms
    bad blood (between A and B)(old-fashioned)
     
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    feelings of hatred or strong dislike
    be after/out for somebody's blood(informal)(often humorous)
     
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    to be angry with someone and want to hurt or punish them
    be/run in your blood
     
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    to be a natural part of your character and of the character of other members of your family
    blood is thicker than water(saying)
     
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    family relationships are stronger than any others
    blood, sweat, and tears
     
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    very hard work; a lot of effort The only way to succeed is through old-fashioned blood, sweat and tears.
    your (own) flesh and blood
     
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    a person that you are related to You can't do that to your own flesh and blood!
    freeze your blood,make your blood freeze
     
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    to make you extremely frightened or shocked
    have somebody's blood on your hands
     
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    to be responsible for someone's death a dictator with the blood of thousands on his hands
    in cold blood
     
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    acting in a way that is deliberately cruel; with no feeling for someone else's suffering to kill someone in cold blood
    like getting blood out of/from a stone
     
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    almost impossible to obtain Getting an apology from him was like getting blood from a stone.
    make somebody's blood boil
     
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    to make someone extremely angry The way he treats his employees really makes my blood boil.
    make somebody's blood run cold
     
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    to make someone very frightened or fill them with horror The sound of laughter in the empty house made my blood run cold.
    new/fresh blood
     
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    new members or employees, especially young ones, with new ideas or ways of doing things This company really needs to bring in some new blood.
    spill (somebody's) blood(formal or literary)
     
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    to kill or wound people Nothing can justify spilling innocent blood.
    spit venom/blood
     
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    to show that you are very angry; to speak in an angry way She looked at him with eyes that spat venom.
    stir the blood
     
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    to make someone excited
    sweat blood(informal)
     
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    to work very hard I sweated blood to get everything ready in time.