1A person who sends or directs someone to an expert or specialist for consideration.
- ‘because the referrer knows the pulmonologist, he can give the patient more insight into what the doctor is like’
The last web address accessed by a browser prior to loading a particular web page, used to identify sources of traffic.‘most of the referrers for my website are search engines’
- ‘they have been working on changes to make it easier for users to control referrer data’
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