Meaning of -CUM- in English

-CUM-

~ is put between two nouns to form a noun referring to something or someone that is partly one thing and partly another.

...a dining-room~study...

COMB in N-COUNT

Collins COBUILD.      Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) .