The Collaborative International Dictionary of English v.0.48:

Entomophaga \En`to*moph"a*ga\, n. pl. [NL., fr. Gr. 'e`ntomon an
   insect + fagei^n to eat.] (Zo["o]l.)
   1. a group of hymenopterous insects whose larv[ae] feed
      parasitically upon living insects. See Ichneumon, 2.
      [1913 Webster]

   2. A group of marsupials which are partly insectivorous, as
      the opossum.
      [1913 Webster]

   3. A group of edentates, including the ant-eaters.
      [1913 Webster]