| ichneumon fly or ichneumon wasp | |
| —n | |
| any hymenopterous insect of the family Ichneumonidae, whose larvae are parasitic in caterpillars and other insect larvae | |
| ichneumon wasp or ichneumon wasp | |
| —n | |
| a chattering or flighty, light-headed person. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |