A member of the Los Angeles gang The Bloods, who typically wear red and have an intense and bitter rivalry with the Crips.

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.

A family relationship due to birth, such as that between siblings; contrasted with relationships due to marriage or adoption. (See blood relative, blood relation.)

(historical) One of the four humours in the human body.

(medicine, countable) A blood test or blood sample.

The sap or juice which flows in or from plants.

(poetic) The juice of anything, especially if red.

Temper of mind; disposition; mood

A blood horse, one of good pedigree.

(figurative) Bloodshed.

Alternative letter-case form of Blood (“member of a certain gang”)

(especially African-American Vernacular) A friend or acquaintance, especially one who is black and male.

(UK, MLE, slang) Alternative form of blud (“Informal address to a male.”)

(transitive) To cause something to be covered with blood; to bloody.

(medicine, historical) To let blood (from); to bleed.

(transitive) To initiate into warfare or a blood sport, traditionally by smearing with the blood of the first kill witnessed.