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English definition of “liaison”

liaison

noun [C] (RELATIONSHIP)    /liˈeɪ.zɒn/ US  /-zɑːn/ formal
a sexual relationship , especially between two people not married to each other: He's had a number of liaisons.Marriage, cohabitation and other relationships
(Definition of liaison noun (RELATIONSHIP) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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