overcall(n = noun.communication) overbid - (bridge) a bid that is higher than your opponent's bid (especially when your partner has not bid at all and your bid exceeds the value of your hand);
overcall, v. & n.
--v.tr. (also absol.) Bridge 1 make a higher bid than (a previous bid or opponent).
2 Brit. = OVERBID v. 2a.
--n. an act or instance of overcalling.