Home › Words › T › thillerthillerthiller means the horse that goes between the thills, or shafts of a carriage, and supports them.Among words judged in Lexicurio's Arena, thiller ranks #16,733 of 42,747 for Qualifying.EtymologyFrom thill + -er.nounThe horse that goes between the thills, or shafts of a carriage, and supports them.e.g.“, And apron, and scissars for head and for tail, / Whole bridle and saddle, whitleather, and nall, / With collars and harness, for thiller and all […]” — 1557 February 13 (Gregorian calendar), Thomas Tusser, A Hundreth Good Pointes of Husbandrie, London: […] Richard Tottel, →OCLC; republished London: […] Robert Triphook, […], and William Sancho, […], 1The last horse in a team.Definitions & examples from Wiktionary (CC BY-SA 3.0).