noun
: a large usually circular area of asphalt that is oiled to make it slick and that is used for testing automobiles and motorcycles with controlled skids and spins
noun
: a large usually circular area of asphalt that is oiled to make it slick and that is used for testing automobiles and motorcycles with controlled skids and spins
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012