Artificial intelligent assistant

horse-racer

ˈhorse-ˌracer
  [f. horse-race + -er1, after race, racer.]
  One who keeps horses for racing; one who rides horses in races, a jockey.

c 1618 J. Bruen in Hinde Life xi. (1641) 38 A good rule for our horse-racers, rank riders, and hot-spurre hunters. 1733 Weekly Reg. 8 Dec., Song-singers, horse-racers, valets-de-chambre. 1888 Athenæum 22 Sept. 381/1 The first Lord Godolphin was a horse-racer as well as gambler undoubtedly.

Oxford English Dictionary

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