The definition of blood is the fluid that carries oxygen and other elements to the tissues and carbon dioxide away from the tissues through the heart and vascular system of humans and other animals.(noun)
An example of blood is the red fluid that comes out of a person when he gets cut.
See blood in Webster's New World College Dictionary
Origin: ME blod, blode < OE blod: see bleed
See blood in American Heritage Dictionary 4
Origin: Middle English blod
Origin: , from Old English blōd; see bhel-3 in Indo-European roots.
noun pl. Blood Blood or Bloods
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