Combined with; also used as (used to describe things with a dual nature or function):a study-cum-bedroom...
Initially, he worked as a shepherd, but these days the 64-year-old earns his keep as a school handyman cum lollipop man.
This is a smart move, because otherwise the whole thing would be so creaky and old-fashioned that only the most determined Christie fan cum couch potato would watch it.
The same applies to his long-running Korean-war vet cum knight errant.