Index of English words, starting with "th"

(1) - Thill (n.) The floor of a coal mine.
(2) - Thill (n.) One of the two long pieces of wood, extending before a vehicle, between which a horse is hitched; a shaft.

(1) - Thiller (n.) The horse which goes between the thills, or shafts, and supports them; also, the last horse in a team; -- called also thill horse.