antlion

UK: /ˈæntˌlaɪən/

Collins Concise English Dictionary © HarperCollins Publishers::

antlion / ˈæntˌlaɪən/ noun

1. Also called: antlion fly any of various neuropterous insects of the family Myrmeleontidae, which typically resemble dragonflies and are most common in tropical regions
2. the larva of this insect, which has very large jaws and buries itself in the sand to await its prey

WordReference Random House Unabridged Dictionary of American English © 2025

ant′ li′on, 

1. Insects any of several insects belonging to the family Myrmeleontidae, of the order Neuroptera, the larvae of which dig a pit in sand where they lie in wait to prey upon ants or other insects that lose their footing.

Also, ant′li′on. 

• 1805–15