UK: 1. Someone other than the policyholder who has been injured or whose property has been damaged. 2. Person brought into legal proceedings by the defendant as being a person considered wholly or partly liable for the loss, e.g. retailer joins manufacturer in a product liability case. See CIVIL LIABILITY (CONTRIBUTION) ACT 1978; THIRD PARTY PROCEEDINGS.
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A person who is not a party to a contract. Someone other than the insured and insurance company. As used in Aviation Insurance the term does not include passengers in the Insured’s own aircraft.
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MEDICAL, US: Entity that processes insurance claims for patients (e.g., private insurance companies, Medicare fiscal intermediaries).
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Someone other than the insured or his insurer who has suffered injury or loss.
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US: The claimant under a liability policy. So called because the person making the claim is not one of the two parties, insured and insurer, to the insurance contract.