Source : Webster's Revised Unabridged Dictionary (1913)

Huaracho \Hua*ra"cho\, n.; pl. {Huarachos}. [Amer. Sp., also
   guaracha, guarache, huarache, prob. of Mexican origin.]
   A kind of sandal worn by Indians and the lower classes
   generally; -- usually used in pl. [Southern U. S. & Mex.]