Defn: Imparting strength or tone; strengthening; invigorating; as, a bracing north wind.

BRACING
Bra"cing, n.

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

2. (Engin.)

Defn: Any system of braces; braces, collectively; as, the bracing of a truss.

BRACK Brack, n. Etym: [Cf.D. braak, Dan. bræk, a breaking, Sw. & Isel. brak a crackling, creaking. Cf. Breach.]

Defn: An opening caused by the parting of any solid body; a crack or
breach; a flaw.
Stain or brack in her sweet reputation. J. Fletcher.

BRACK
Brack, n. Etym: [D. brak, adj., salt; cf. LG. wrak refuse, G. brack.]

Defn: Salt or brackish water. [Obs.] Drayton.

BRACKEN
Brack"en, n. Etym: [OE. braken, AS. bracce. See 2d Brake, n.]