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]

The Collaborative International Dictionary of English v.0.48:

Bruta \Bru"ta\, n. [NL., neuter pl., fr. L. brutus heavy,
   stupid.] (Zool.)
   See Edentata.
   [1913 Webster]