The Collaborative International Dictionary of English v.0.48:

gunshot \gun"shot`\, a.
   Made by the shot of a gun; as, a gunshot wound.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Gunshot \Gun"shot`\ (g[u^]n"sh[o^]t), n.
   1. Act of firing a gun; a shot.
      [1913 Webster]

   2. The distance to which shot can be thrown from a gun, so as
      to be effective; the reach or range of a gun.
      [1913 Webster]

            Those who are come over to the royal party are
            supposed to be out of gunshot.        --Dryden.
      [1913 Webster]

WordNet (r) 3.0 (2006):

gunshot
    n 1: the act of shooting a gun; "the gunfire endangered innocent
         bystanders"; "they retreated in the face of withering enemy
         fire" [syn: gunfire, gunshot]