羽虫はむし Noun English jmdict 1 noun (common) (futsuumeishi) biting louse (any louse of order Mallophaga) See also: 羽虱 (はじらみ) 2 noun (common) (futsuumeishi) colloquial small winged insect (esp. a flying ant or termite) See also: 羽アリ (はあり)