Culbertson system
noun
Cul·bert·son system
ˈkəlbə(r)tsən-
: a system of bidding in contract bridge characterized by the use of approach and forcing bids, limited no-trump bids, and ace-showing no-trump bids
called also approach-forcing system
Word History
Etymology
after Ely Culbertson †1955 American authority on contract bridge