n. 1. That which braces, binds, or makes firm; a band or bandage. [ 1913 Webster ]
2. A covering to protect the arm of the bowman from the vibration of the string; also, a brassart. Chaucer. [ 1913 Webster ]
3. A medicine, as an astringent or a tonic, which gives tension or tone to any part of the body. Johnson. [ 1913 Webster ]