Source : Webster's Revised Unabridged Dictionary (1913)

Tinchel \Tin"chel\, n. [Written also {tinchill}.] [Gael.
   timchioll a circuit, compass.]
   A circle of sportsmen, who, by surrounding an extensive space
   and gradually closing in, bring a number of deer and game
   within a narrow compass. [Scot.]

         We'll quell the savage mountaineer, As their tinchel
         cows the game!                           --Sir W.
                                                  Scott.