Eustachian /ju:s'teiʃiәn/ 📖 中文释义 [医] 咽鼓管 📘 English Definition(英文释义) a. Discovered by Eustachius.a. Pertaining to the Eustachian tube; as, Eustachiancatheter. ← Eustace Smith's sign E 字母词表 Eustachian cartilage →