co-res‧pon‧dent /ˌkəʊrəˈspɒndənt, ˌkəʊrɪˈspɒndənt $ ˌkoʊrəˈspɑːn-/ noun [countable]
someone whose name is given in a divorce because they have had sex with the wife or husband of the person who wants the divorce ⇒ respondent

[TahlilGaran] Dictionary of Contemporary English ▲