blood
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.
Example
“Some insects are known for consuming blood.”
Other meanings
A family relationship due to birth, such as that between siblings; contrasted with relationships due to marriage or adoption. See , .
A person or people related to one by birth; one's biological relative or relatives.
“She may not be my blood, but we grew up together, and as far as I'm concerned she's my sister.”
Word history
From Old English "blōd".
Where this comes from
This definition is adapted from “blood” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.