Limb

1. The border or edge of the disk of a heavenly body, especially of the sun and moon.
2. An arm or a leg of a human being; a leg, arm, or wing of an animal.
3. The border or upper spreading part of a monopetalous corolla, or of a petal, or sepal; blade.
4. An elementary piece of the mechanism of a lock.
5. A part of a tree which extends from the trunk and separates into branches and twigs; a large branch.
6. A thing or person regarded as a part or member of, or attachment to, something else.
7. To dismember; to tear off the limbs of.
8. To supply with limbs.
9. The graduated margin of an arc or circle, in an instrument for measuring angles.
10. A border or edge, in certain special uses.