open sesame[ses′ə mē′]
- magic words spoken to open the door of the thieves' den in the story of Ali Baba in The Arabian Nights
- any unfailing means of gaining admission or achieving some other end
A simple, trusty means of attaining a goal.
Origin of open sesameFrom the magical formula Open Sesame, used by Ali Baba in the Arabian Nights to open the door of the robbers' cave.
- Open up!
(plural open sesames)