mixed doubles

: combining characteristics of more than one kind

: made up of or involving individuals or items of more than one kind: such as

: made up of or involving persons differing in race, national origin, religion, or class

: having a twofold relation or character : dual

: consisting of two usually combined members or parts

: being twice as great or as many

: to make twice as great or as many: such as

: to increase by adding an equal amount

: to amount to twice the number of

: to twice the extent or amount

: two together

: downward and forward from the usual position

: something twice the usual size, strength, speed, quantity, or value: such as

: a double amount

: a base hit that enables the batter to reach second base