pterotic /(p)tә'rɔtik/ 📖 中文释义 [动]翼听骨 📘 English Definition(英文释义) a. Of or pertaining to, or designating, a bone between theprootic and epiotic in the dorsal and outer part of the perioticcapsule of many fishes.n. The pterotic bone. ← Pterothysanidae P 字母词表 Pterotrachea →