‖n. pl. [ NL., fr. Gr. 'e`ntomon an insect + fagei^n to eat. ] (Zoöl.) 1. a group of hymenopterous insects whose larvæ 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 ]