steeplechase /ˈstiːpəltʃeɪs/noun 2verb 1forms 3 noun2 •A horse race, either across open country, or over an obstacle course. •An athletics event in which the runners have to run 3000 metres round a track, jumping hurdles and a water obstacle along the way. verb1 •To take part in a steeplechase event. formssteeplechased · steeplechasing · steeplechases