Definitions of ichneumon

  1. northern African mongoose; in ancient times thought to devour crocodile eggs
  2. A weasellike animal found in Asia, Africa, and Spain, which feeds on mice, rats, snakes, and birds.
  3. A small carnivorous animal in Egypt, famed for destroying the crocodile's eggs: an insect which lays its eggs on the larvae of other insects.
  4. A carnivore, of somewhat weasel like aspect.
  5. A small carnivorous quadruped, famed for destroying serpents, and especially crocodiles eggs; a large genus of insects, distinguished for their preying upon other insects.