BRISTLE
—none. Short stiff hair, esp. One on an animal`s back, used in brushes. —verb. (-ling) 1 a (of hair) stand upright. B make (hair) do this. 2 show irritation. 3 (usually. Foll. By with) be covered or abundant (in). ? bristly adjective. (-ier, -iest). [old english]