Noah Webster's Dictionary 1. (n.) An organ which, by its contraction, produces motion. 2. (n.) The contractile tissue of which muscles are largely made up. 3. (n.) Muscular strength or development; as, to show one's muscle by lifting a heavy weight. 4. (n.) See Mussel.

Multi-Version Concordance Muscle (1 Occurrence) Genesis 32:32 For this reason the children of Israel, even today, never take that muscle in the hollow of the leg as food, because the hollow of Jacob's leg was touched. (BBE)