(1):

(p. pr. & vb. n.) of Brace

(2):

(n.) Any system of braces; braces, collectively; as, the bracing of a truss.

(3):

(n.) The act of strengthening, supporting, or propping, with a brace or braces; the state of being braced.

(4):

(a.) Imparting strength or tone; strengthening; invigorating; as, a bracing north wind.