The Collaborative International Dictionary
Thiller
Thiller \Thill"er\, n. The horse which goes between the thills, or shafts, and supports them; also, the last horse in a team; -- called also thill horse.
Wiktionary
thiller
n. 1 The horse that goes between the thills, or shafts, and supports them. 2 The last horse in a team.
Usage examples of "thiller".
You can hang it up in your parlor and tell a real thiller about how it got that way and how lucky you are to be alive.
Here also”-she indicated each individual with a nod “are Omournil daughter of Mournil, Soranal son of Thiller, Padrias son of Mill, Malliner son of Veinnin, and Baradakas, Hirebrand of the lillianrill.