Source : Webster's Revised Unabridged Dictionary (1913)

Crunk \Crunk\ (kr[u^][ng]k), Crunkle \Crun"kle\
   (kr[u^][ng]"k'l), v. i. [Cf. Icel. kr?nka to croak.]
   To cry like a crane. [Obs.] ``The crane crunketh.'' --Withals
   (1608).