noun

• (historical) One of the four humours in the human body.
• (medicine, informal, countable) A blood test or blood sample.
  "When I got Bilbo to their surgery the vet took Bilbo in for tests. […] His bloods showed nothing wrong at all."
• (poetic) The juice of anything, especially if red.
  "He washed[…]his clothes in the blood of grapes."
• (obsolete) A lively, showy man; a rake; a dandy.
  "Seest thou not[…]how giddily 'a turns about all the hot bloods between fourteen and five and thirty?"

verb

• (transitive) To cause something to be covered with blood; to bloody.
  "The French gentleman and Mr Adderly, at the desire of their commanding officer, had raised up the body of Jones, but as they could perceive but little (if any) sign of life in him, they again let him fall, Adderly damning him for having blooded his wastecoat […]"
• (medicine, historical) To let blood (from); to bleed.
  "On Sᵗ Stephens day the Farrier came constantly and blouded all the Cart-horses."
• (transitive) To initiate into warfare or a blood sport, traditionally by smearing with the blood of the first kill witnessed.
• (transitive, obsolete) To make eager for bloodshed or combat; to incite or enrage against.