(~s)
An ~ is a young person from a foreign country who lives with a family in order to learn the language and who helps to look after the children.
N-COUNT
(~s)
An ~ is a young person from a foreign country who lives with a family in order to learn the language and who helps to look after the children.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012