The story
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Any of various species of insects, many of them nocturnal, in the family Myrmeleontidae. The adults superficially resemble the unrelated damselflies. The larvae bury themselves in sand below a cone-shaped pit in which they trap insects such as ants. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.