The Collaborative International Dictionary of English v.0.48:

Peba \Pe"ba\ (p[=e]"b[.a]), n. [Cf. Pg. peba.] (Zool.)
   An armadillo (Tatusia novemcincta) which is found from
   Texas to Paraguay; -- called also tatouhou.
   [1913 Webster]

WordNet (r) 3.0 (2006):

peba
    n 1: having nine hinged bands of bony plates; ranges from Texas
         to Paraguay [syn: peba, nine-banded armadillo, Texas
         armadillo, Dasypus novemcinctus]