Tuko-tuko \Tu"ko-tu*ko\, n. [From the native name .] (Zool.)
A burrowing South American rodent ({Ctenomys Braziliensis}).
It has small eyes and ears and a short tail. It resembles the
pocket gopher in size, form, and habits, but is more nearly
allied to the porcupines. [Written also {tucu-tuco}.]
[1913 Webster]