Bridge.
a bid made in response to a partner's bid when responding is not required by convention or is not necessary to keep the auction open, as after an opponent's overcall.
Bridge.
a bid made in response to a partner's bid when responding is not required by convention or is not necessary to keep the auction open, as after an opponent's overcall.
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012