Source : Webster's Revised Unabridged Dictionary (1913)

Gommal \Gom"mal\, a.
   Made or consisting of interlocked ring? or links; as, gimmal
   mail.

         In their pale dull mouths the gimmal bit Lies foul with
         chewed grass.                            --Shak.

   {Gimmal joint}. See {Gimbal joint}, under {Gimbal}.