brad
    n 1: a small nail
    v 1: fasten with brads

Brad \Brad\, n. [Cf. OE. brod, Dan. braad prick, sting, brodde
   ice spur, frost nail, Sw. brodd frost nail, Icel. broddr any
   pointed piece of iron or stell; akin to AS. brord point,
   spire of grass, and perh. to E. bristle. See Bristle, n.]
   A thin nail, usually small, with a slight projection at the
   top on one side instead of a head; also, a small wire nail,
   with a flat circular head; sometimes, a small, tapering,
   square-bodied finishing nail, with a countersunk head.
   [1913 Webster]