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.