turnoverturn‧o‧ver /ˈtɚnˌoʊvɚ/ ●○○ noun 1[singular] social studies, economics the amount of money a business earns in a particular period: an annual turnover of $35 million2[uncountable] the rate at which people leave an organization and are replaced by others: The company has a high rate of turnover.3[countable] a small fruit pie: apple turnovers