lepidopterous insect le·pi·dop·terousinsect uncommon noun 1. insect that in the adult state has four wings more or less covered with tiny scales Synonymslepidopterous insectlepidopteronlepidopteran Related words Broader terms insect Narrower terms butterflymoth Parts Lepidoptera WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
