Meaning of tuco-tuco

tu•co-tu•co

Pronunciation: (t'kō-t'kō), [key]
— pl. -cos.
  1. any of several burrowing rodents of the genus Ctenomys, of South America, resembling the pocket gopher.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.