Source : Webster's Revised Unabridged Dictionary (1913)

Gemel \Gem"el\, n.
   1. One of the twins. [Obs.] --Wyclif.

   2. (Heb.) One of the barrulets placed parallel and closed to
      each other. Cf. {Bars gemel}, under {Gemel}, a.

            Two gemels silver between two griffins passant.
                                                  --Strype.

   {Gemel hinge} (Locksmithing), a hinge consisting of an eye or
      loop and a hook.

   {Gemel ring}, a ring with two or more links; a gimbal. See
      {Gimbal}.

   {Gemel window}, a window with two bays.