τρῡσ-ίππιον,τό, (τρύω)
A. a mark branded on the jaw of a horse superannuatedin the public service, Eup. 318 , cf. Zen. 4.41 : the metre of Eup. shows thatτρυσίππειον,as written in Ael.Dion. Fr. 311 , Poll. 7.186 , EM 771.16 , is incorrect.—The horse wasτρύσιππος,ὁ, Theognost. Can. 24 .