Bracer

Noun

1. That which braces, binds, or makes firm; a band or bandage.
2. Something bracing; a stimulant.
3. A covering to protect the arm of the bowman from the vibration of the string.
4. Armor for the forearm; a brassard.
5. A medicine, as an astringent or a tonic, which gives tension or tone to any part of the body.