The Collaborative International Dictionary of English v.0.48:

Cynoidea \Cy*noi"de*a\ (s?-noi"d?-a), n. pl. [NL., fr. Gr. ???,
   ???, a dog + -oid.] (Zool.)
   A division of Carnivora, including the dogs, wolves, and
   foxes.
   [1913 Webster]