前ぜん翅しぜんしMeanings1nounforewing; fore-wingEntomological term for the anterior pair of wings in insects.甲こう虫ちゅうの前ぜん翅しは硬かたく、後こう翅しを保ほ護ごする役やく割わりがある。The forewings of beetles are hard and serve to protect the hindwings.