0 a sweet dish consisting of ice cream and usually other layers such as cake, fruit, or chocolate, frozen into a round shape:
1 a device that was a kind of early computer, used by the British during World War II to crack (= understand) codes used by the Germans to send secret information:
The delicious bombe consists of a heart of strawberry sorbet, a middle layer of white chocolate parfait and an outer layer of meringue, topped with fresh strawberries.
The cheesecake, chocolate bombe, apple pie and sorbet are all home-made.
She sought out Italian gelateria on her travels, their glass cabinets filled with ice cream gateaux and frozen bombes.
The bombe glacée is indispensable, it seems, to a good dinner.
By November 1941 there were fifteen bombes: at the end of the war there were several hundred.
The bombe, designed by Alan Turing and Gordon Welchman, after the Polish cryptographic bomba by Marian Rejewski (1938), came into productive use in 1941.