- any of several burrowing rodents of the genus Ctenomys, of South America, resembling the pocket gopher.
Origin of tuco-tuco
First recorded in 1825–35, tuco-tuco is from the American Spanish word tucotuco, imitative of its cry
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for tuco-tuco
It was a kind of large drone, an inch long, and the Indians call it "tuco-tuco."
The "Tuco-tuco," genus Ctenomys, has also short ears and tail.The Cambridge Natural History, Vol X., Mammalia
Frank Evers Beddard
It was a kind of large beetle, an inch in length, to which the Indians give the name of "tuco-tuco."