turnover

(tûrnˈōˌvər)

1. The act of turning over; an upset or overthrow.
2. An abrupt change; a reversal.
3. A small pastry made by covering one half of a piece of dough with a filling, folding the other half over on top, and sealing the edges.
4. a. The number of times a particular stock of goods is sold and restocked during a given period of time.
   b. The amount of business transacted during a given period of time.
   c. The number of shares of stock sold on the market during a given period of time.
5. a. The number of workers hired by an establishment to replace those who have left in a given period of time.
   b. The ratio of this number to the number of employed workers.
6. Sports A loss of possession of the ball to the opposing team, as by a misplay or an infraction of the rules.