Definition of "flatmate" []

• A person with whom one shares a flat. (noun)
• A person with whom one shares a rental property, not necessarily a flat. (noun)

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• "And my (as in flatmate's) new boyfriend was sitting there quietly?"
• "My dear previously-non-gamer flatmate is now an SSX addict after seeing it play."
• "Other results that may have you calling your flatmate/partner/granny in to see the action are: Glasgow Govan, TEL, Argyll & Bute, Edinburgh Central and of course Gordon, not to mention about 40 more!"