adjective / noun / verb
multiplex
MUHL-tih-pleks/ˈmʌltɪpleks/
Consisting of several connected parts or units.
The multiplex has three separate auditoriums connected by a shared lobby.

Etymology
The pieces express “many-fold,” extended in Latin to “of many parts.” In the cinema sense, those many parts are the separate screening spaces within one theater.
In context
you're at the multiplex. It remains to be seen just how busy it will get today
More examples
- They rent an upstairs apartment in a small multiplex.
- A multiplex system carries several phone calls over one line.
- Engineers multiplex audio and video signals onto one channel.
Forms
multiplex · multiplexes · multiplexed · multiplexing
multiplexer noun — A device that combines several separate signals.