EUSTACHIAN Meaning of EUSTACHIAN in English eustachian, E\~ BrE AmE ju ˈsteɪʃ ə n -ˈsteɪʃ i‿ən; ju ˈsteɪk i‿ən ▶ Eu ˌ stachian ˈ tube BrE AmE Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012