Source : Webster's Revised Unabridged Dictionary (1913)

Tymbal \Tym"bal\, n. [F. timbale, Sp. timbal; cf. atabal;
   probably of Arabic origin. Cf. {Atabal}, {Timbrel}.]
   A kind of kettledrum. [Written also {trimbal}.]

         A tymbal's sound were better than my voice. --Prior.