whirligig beetle

English Thesaurus

1. aquatic beetle that circles rapidly on the water surface (noun.animal)

hypernym	:	beetle,
definition	:	insect having biting mouthparts and front wings modified to form horny covers overlying the membranous rear wings (noun.animal)

member meronym	:	family gyrinidae, gyrinidae,
definition	:	whirligig beetles (noun.animal)