Terebellum derives from a Latin word meaning 'borer' or 'auger', and may refer to: Terebellum (gastropod), a genus of sea snails in family Seraphsidae
In astronomy, Terebellum (from the Greek word for a quadrilateral) can refer to: Terebellum (asterism), a group of stars in the constellation Sagittarius Terebellum (star), an alternative name for the star Omega Sagittarii