Edentata

from WordNet (r) 3.0 (2006)

Edentata
    n 1: order of mammals having few or no teeth including: New
         World anteaters; sloths; armadillos [syn: {Edentata},
         {order Edentata}]

from The Collaborative International Dictionary of English v.0.48

Edentata \E`den*ta"ta\, prop. n. pl. [NL., neut. pl. from L.
   edentatus, p. p. of edentare to render toothless; e out +
   dens, dentis, tooth.] (Zo["o]l.)
   An order of mammals including the armadillos, sloths, and
   anteaters; -- called also {Bruta}. The incisor teeth are
   rarely developed, and in some groups all the teeth are
   lacking.
   [1913 Webster]