Fromapartment +-mate.
apartmentmate (pluralapartmentmates)
- (rare) Someone who shares anapartment.
1972, Charles Vert Willie, Arline Sakuma McCord,Black Students at White Colleges, Praeger, page32:Althea reports that her whiteapartmentmate immediately left her company, whoem she was entertaining in another section of the apartment, took out the garbage, brought up the vacuum cleaner and began [...].
- 1991 Spring, Catharine Savage Brosnan, "On husbandry",Sewanee Review, vol. 99 issue 2, page 248:
- Myapartmentmate at the old Rice Institute was the first woman ever to be graduated there with a mechanical engineering degree […]
In the UK, the usual term isflatmate; in the US, it isroommate (whether they share a bedroom or not).
one who shares an apartment
(US)—seeroommateone who shares an apartment
(UK)—seeflatmate