A ~ action or agreement involves two people or groups who do the same thing to each other or agree to help each another in a similar way. (FORMAL)
They expected a ~ gesture before more hostages could be freed...
ADJ: usu ADJ n
A ~ action or agreement involves two people or groups who do the same thing to each other or agree to help each another in a similar way. (FORMAL)
They expected a ~ gesture before more hostages could be freed...
ADJ: usu ADJ n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012