Meaning of TAILRACE in English

ˈ ̷ ̷ˌ ̷ ̷ noun

1. : a race for conveying water away from a point of industrial application (as a waterwheel or turbine) after use — called also afterbay ; compare headrace , millrace

2. : the channel in which mine tailings are floated off

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.