From Longman Business Dictionaryrebrandre‧brand /ˌriːˈbrænd/ (also re-brand) verb [transitive] MARKETING if a company rebrands a product or service, it tries to change the way that people think about it, often by changing its name or the way it is advertisedThe merged company would probably rebrand its gas stations. —rebranding noun [singular, uncountable]A spokesman for the company said the rebranding would unite its 140 existing brands.