Abductor (noun)

1. A muscle that moves a limb away from the body's midline.
2. A person who takes another person away illegally and against their will.

Origin:

From latin abductor, from abducere "to lead away".

Examples:

1. The abductor muscles are responsible for moving the legs away from the body.
2. The abductor of the child was never found.
3. He was charged with being an abductor of a woman.
4. A muscle called abductor pollicis longus runs along the thumb side of the forearm.
5. Abductor muscles are used when you spread your fingers apart.