[1] : The Collaborative International Dictionary of English v.0.48

tatou \tatou"\ t.at=oo", n. cf. tatouay. zool.
   the giant armadillo priodontes gigas of tropical south
   america. it becomes nearly five feet long including the tail.
   it is noted for its burrowing powers, feeds largely upon dead
   animals, and sometimes invades human graves.
   1913 webster
see also:
tatouay priodontes gigas 

[2] : WordNet (r) 2.0

tatou
     n : about three feet long exclusive of tail syn: giant
         armadillo, tatu, priodontes giganteus
see also:
giant armadillo tatu priodontes giganteus 

Tatou >> T Words
Tatou, definition of term: Tatou
tatou_pag1.html