"antlion" in the noun sense
1. doodlebug, ant lion, antlion
the larva of any of several insects
2. ant lion, antlion, antlion fly
winged insect resembling a dragonfly the larvae (doodlebugs) dig conical pits where they wait to catch e.g. ants
Source: WordNet® (An amazing lexical database of English)
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