/ Dictionary / Index A ant lion: Meaning and Definition of Find definitions for: ant' li"on Pronunciation: [key] 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. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: antlion (Thesaurus) Antlia antodontalgic Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language