Definition of Trophonian in US English:

Trophonian

adjective

  • Of or relating to Trophonius, the deified legendary builder of the original temple of Apollo at Delphi, whose oracle in a Boeotian cave was said to affect those who entered with such awe that they never smiled again. Hence (figurative): gloomy, saturnine.

Origin

Early 17th century. From classical Latin Trophōnius or its etymon ancient Greek Τροϕώνιος, name of the legendary builder of the original temple of Apollo at Delphi + -an.

Pronunciation

Trophonian

/trəˈfəʊnɪən/