Blood (bl?d)n. pl. Blood or Bloods A member of a tribe of the Blackfoot confederacy inhabiting southern Alberta.blood (bl?d)n.1. 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.2. A vital or animating force; lifeblood.3. One of the four humors of ancient and medieval physiology, identified with the blood found in blood vessels, and thought to cause cheerfulness.4. Bloodshed; murder.5. Temperament or disposition: a person of hot blood and fiery temper.6. 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.7. A dandy.tr.v. blood·ed, blood·ing, bloods 1. To give (a hunting dog) its first taste of blood.2. 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.Idioms: bad blood Long-standing animosity. in cold blood Deliberately, coldly, and dispassionately. in (one’s) blood So characteristic as to seem inherited or passed down by family tradition.[Middle English blod, from Old English bl?d; see bhel- in Indo-European roots.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.blood (bl?d) n1. (Physiology) a reddish fluid in vertebrates that is pumped by the heart through the arteries and veins, supplies tissues with nutrients, oxygen, etc, and removes waste products. It consists of a fluid (see blood plasma) containing cells (erythrocytes, leucocytes, and platelets). 2. (Zoology) a similar fluid in such invertebrates as annelids and arthropods3. bloodshed, esp when resulting in murder4. the guilt or responsibility for killing or injuring (esp in the phrase have blood on one’s hands or head)5. life itself; lifeblood6. relationship through being of the same family, race, or kind; kinship7. blood, sweat, and tears informal hard work and concentrated effort8. flesh and blood a. near kindred or kinship, esp that between a parent and childb. human nature (esp in the phrase more than flesh and blood can stand)9. ethnic or national descent: of Spanish blood. 10. in one’s blood as a natural or inherited characteristic or talent11. the blood royal or noble descent: a prince of the blood. 12. temperament; disposition; temper13. (Breeds) a. good or pure breeding; pedigreeb. (as modifier): blood horses. 14. people viewed as members of a group, esp as an invigorating force (in the phrases new blood, young blood)15. chiefly rare Brit a dashing young man; dandy; rake16. the sensual or carnal nature of man17. (Physiology) obsolete one of the four bodily humours. See humour818. bad blood hatred; ill feeling19. blood is thicker than water family duties and loyalty outweigh other ties20. have one’s blood up get one’s blood up to be or cause to be angry or inflamed21. in cold blood showing no passion; deliberately; ruthlessly22. make one’s blood boil to cause to be angry or indignant23. make one’s blood run cold to fill with horrorvb (tr) 24. (Hunting) hunting to cause (young hounds) to taste the blood of a freshly killed quarry and so become keen to hunt25. (Hunting) hunting to smear the cheeks or forehead of (a person) with the blood of the kill as an initiation in hunting26. (Military) to initiate (a person) to an activity or organization, esp by real-life experience[Old English bl?d; related to Old Norse bl?th, Old High German bluot]Blood (bl?d) n (Biography) Thomas, known as Colonel Blood. ?1618?80, Irish adventurer, who tried to steal the crown jewels (1671)Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014blood (bl?d) n. 1. the red fluid that circulates through the heart, arteries, and veins of vertebrates, consisting of plasma in which red blood cells, white blood cells, and platelets are suspended. 2. a comparable circulating fluid in many invertebrates. 3. the vital principle; life. 4. a person or group regarded as a source of vitality: The company needs new blood. 5. one of the four elemental bodily humors of medieval physiology, regarded as causing cheerfulness. 6. bloodshed; slaughter. 7. the juice or sap of plants. 8. temperament: a person of hot blood. 9. human nature; humanity: the frailty of our blood. 10. descent from a common ancestor; ancestry: related by blood. 11. the people of one’s lineage; kindred. 12. royal extraction: a prince of the blood. 13. purebred breeding. 14. a profligate or rake. 15. Chiefly Brit. a high-spirited, adventuresome youth. 16. Slang. a black person, esp. a man. v.t. 17. to give (hounds) a first sight or taste of blood. 18. to stain with blood. Idioms: 1. bad blood, longstanding mutual animosity. 2. in cold blood, with malign and merciless lack of feeling. 3. taste blood, to experience a new, usu. violent or destructive sensation and acquire an appetite for it. [before 1000; Middle English blo(o)d, Old English bl?d; c. Old Frisian, Old Saxon bl?d, Old High German bluot, Old Norse bl?th, Gothic bloth] blood?like`, adj. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.blood (bl?d)1. The fluid that circulates through the body of a mammal or other vertebrate animal by the action of the heart, carrying oxygen and nutrients to the body’s cells and removing waste products from them. In humans and other vertebrates, blood consists of plasma containing red blood cells, white blood cells, and platelets.2. A fluid that is similar in function in many invertebrate animals.The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.Blood See Also: VIOLENCE