τρίλοφος
From LSJ
ἔκστασίς τίς ἐστιν ἐν τῇ γενέσει τὸ παρὰ φύσιν τοῦ κατὰ φύσιν → what is contrary to nature is any developmental aberration from what is in accord with nature (Aristotle, On the Heavens 286a19)
English (LSJ)
ον,
A with three crests, κράνος Polyaen.8.59. II with three peaks or points, Nonn. D.6.124.
German (Pape)
[Seite 1144] mit drei Helmbüschen, übh. mit drei Erhöhungen, Spitzen, Sp.