Source : Webster's Revised Unabridged Dictionary (1913)

Cruller \Crul"ler\ (kr[u^]l"l[~e]r), n. [Cf. {Curl}.]
   A kind of sweet cake cut in strips and curled or twisted, and
   fried crisp in boiling fat. [Also written {kruller}.]

Source : WordNet®

cruller
     n : small friedcake formed into twisted strips and fried; richer
         than doughnuts [syn: {twister}]