entomophaga

from The Century Dictionary.

• A subsection of Hymenoptera terebrantia, or boring hymenopterous insects.
• A division of marsupial mammals, containing those which have three kinds of teeth in both jaws, and a cæcum, as the bandicoots and opossums.
• A division of edentate mammals, one of two primary groups of Bruta (the other being Phytophaga), containing insectivorous and carnivorous forms, as the anteaters and pangolins. It was divided into 4 groups, Mutica, Squamata, Loricata, and Tubulidentata.
• A division of chiropterous mammals, containing the ordinary bats, as distinguished from the fruit-bats. Also called Insectivora, Animalivora, and Microchiroptera.

from the GNU version of the Collaborative International Dictionary of English.

• noun plural (Zoöl.) a group of hymenopterous insects whose larvæ feed parasitically upon living insects. See ichneumon, 2.
• noun plural A group of marsupials which are partly insectivorous, as the opossum.
• noun plural A group of edentates, including the ant-eaters.