Western Cue-Bids

A cue-bid in the opponent's suit in a competitive auction where no major fit is evident, is a request for partner to bid NT if he can 'stop' their suit..

             S: AQxx
             H: KJx
             D: Qx
             C: Qxxx

             S: Kx
             H: xx
             D: AKxxx
             C: KTxx

W        N       E        S

P        1S      2H       3H!
P        3N      P/O

Source: bbuff@user.rose.com