The client in whose name an insurance policy is written

• An insured person

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ According to the documents, the three policyholders who sued State Mutual over the demutualization collectively received $ 225, 000. ▪ But why, policyholders may well ask, should they give up a 40 percent stake in the business? ...

WordNet Word definitions in WordNet
n. an insured person; the client in whose name an insurance policy is written

Wiktionary Word definitions in Wiktionary
n. A person who holds an insurance policy, especially the person whose life is insured