A vial of blood.
An example of blood is the red fluid that comes out of a person when he gets cut.
- the usually red fluid, consisting of plasma, red and white blood cells, etc., that circulates through the heart, arteries, and veins of vertebrates: blood is a tissue that carries oxygen, hormones, cell-building material, etc. to, and carbon dioxide and waste matter away from, the other tissues
- a comparable fluid, usually colorless or bluish, in many invertebrate animals
- the spilling of blood; murder
- the sap or juice of a plant
- passion, temperament, or disposition
- parental heritage; family line; lineage
- relationship by descent in the same family line; kinship
- descent from nobility or royalty
- descent from purebred stock
- a dandy or fop
- people, esp. youthful people: new blood in an organization
- a black person; esp., a black male
- a close male friend: used, often in direct address, esp. among black people
Origin of bloodMiddle English blod, blode from Old English blod: see bleed
- to let (a hunting dog) taste, smell, or see the blood of its prey
- to initiate (a hunter) by staining the hunter's face with blood of the prey
- to initiate (a person) in any new experience
blood is thicker than water
have (someone's) blood on one's hands
in cold blood
- with cruelty; unfeelingly
- dispassionately; deliberately
make someone's blood boil
make someone's blood run cold
- a. The fluid consisting of plasma, blood cells, and platelets that is circulated by the heart through the vertebrate vascular system, carrying oxygen and nutrients to and waste materials away from all body tissues.b. A similar fluid in animals other than vertebrates.c. The juice or sap of certain plants.
- A vital or animating force; lifeblood.
- One of the four humors of ancient and medieval physiology, identified with the blood found in blood vessels, and thought to cause cheerfulness.
- Bloodshed; murder.
- Temperament or disposition: a person of hot blood and fiery temper.
- a. Descent from a common ancestor; parental lineage.b. Family relationship; kinship.c. Descent from noble or royal lineage: a princess of the blood.d. Recorded descent from purebred stock.e. National or racial ancestry.
- A dandy.
transitive verbblood·ed, blood·ing, bloods
- To give (a hunting dog) its first taste of blood.
- a. To subject (troops) to experience under fire: “The measure of an army is not known until it has been blooded” ( Tom Clancy )b. To initiate by subjecting to an unpleasant or difficult experience.
Origin of bloodMiddle English blod from Old English blōd ; see bhel-3 in Indo-European roots.
nounpl. Blood, or Bloods
(countable and uncountable, plural bloods)
- A vital liquid flowing in the bodies of many types of animals that usually conveys nutrients and oxygen. In vertebrates, it is colored red by hemoglobin, is conveyed by arteries and veins, is pumped by the heart and is usually generated in bone marrow.
- The blood flows into the menstrual cup.
- A family relationship due to birth, such as that between siblings; contrasted with relationships due to marriage or adoption. (See blood relative, blood relation, by blood.)
- (medicine, countable) A blood test or blood sample.
- The sap or juice which flows in or from plants.
- It was the morning costume of a dandy or blood.
- Alternative capitalization of Blood (member of a certain gang).
(third-person singular simple present bloods, present participle blooding, simple past and past participle blooded)
Middle English blod, Old English blōd, Proto-Germanic *blōþą, of uncertain origin. Cognate with West Frisian bloed, Dutch bloed, German Blut, Danish blod, Swedish blod.
- A member of the Los Angeles gang The Bloods.