Source : WordNet®

antlion
     n 1: the larva of an ant lion or of any of several other insects
          [syn: {doodlebug}, {ant lion}]
     2: winged insect resembling a dragonfly; the larvae
        (doodlebugs) dig conical pits where they wait to catch
        e.g. ants [syn: {ant lion}, {antlion fly}]