a. Imparting strength or tone; strengthening; invigorating; as, a bracing north wind. [ 1913 Webster ]
n. 1. The act of strengthening, supporting, or propping, with a brace or braces; the state of being braced. [ 1913 Webster ]
2. (Engin.) Any system of braces; braces, collectively; as, the bracing of a truss. [ 1913 Webster ]