Flesh  n. 1 a soft, esp. Muscular, substance between the skin and bones of an animal or a human. B plumpness; fat. 2 the body, esp. As sinful. 3 pulpy substance of a fruit etc. 4 a visible surface of the human body. B (also flesh-colour) yellowish pink colour. 5 animal or human life.  all flesh all animate creation. Flesh out make or become substantial. In the flesh in person. One's own flesh and blood near relatives. [old english]