race course (US) noun
or British racecourse /ˈreɪsˌkoɚs/ plural race courses
or British racecourse /ˈreɪsˌkoɚs/ plural race courses
Learner's definition of RACE COURSE
[count]
: a course or track that is used for racing
especially chiefly British : a grass track that is used for horse racing赛道;(尤指)赛马跑道