Chokebore /(?)/

1. In a shotgun, a bore which is tapered to a slightly smaller diameter at a short distance (usually 2<frac:1_2/ to 3 inches) to the rear of the muzzle, in order to prevent the rapid dispersion of the shot.
2. A shotgun that is made with such a bore.

imp. & p. p. Chokebored; p. pr. & vb. n. Chokeboring

1. To provide with a chokebore.