柯林斯詞典racehorse /?re?s?h??s/ (racehorses) 1. N-COUNT A racehorse is a horse that is trained to run in races. 賽馬 返回 racehorse劍橋詞典a horse bred and trained for racing (專門培育的)比賽用馬,賽馬 返回 racehorse