I. mul ‧ ti ‧ plex 1 /ˈmʌltəpleks, ˈmʌltɪpleks/ BrE AmE ( also ˌmultiplex ˈcinema British English ) noun [countable]
[ Date: 1500-1600 ; Language: Latin ; Origin: adjective, 'multiple' , from multi- ( ⇨ ↑ multi- ) + -plex '-fold' ]
a cinema that has several different rooms in which it can show films
II. multiplex 2 BrE AmE adjective technical
having many different parts