1. Discovered or described by, and named after, Eustachius, an Italian anatomist. The Eustachian tube, a small duet running from a cavity of the ear into the back part of the mouth. Eustachian valve, a fold of the lining membrane of the auricle.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• eustacian,
• eustahian,
• eustachim,
• aristachian,
• euastachian,
• ustachian,
• eustachan,
• eustachia,
• eustachain,
• eustachian,
• eutycian,
• eutychian,
• Eutichian,
• Eutychien,
• eustachioe,
• eustachius,
• Eustashius,
• eudstathian,
• eustthian,
• eustathain