What is a Claim? Claim[kleym]noun1.An insurance Claim is a policyholder’s request to an insurance company for restitution based on the terms of the insurance Policy. The insurance company, through an Adjuster, investigates the validity of the Claim and pays the policyholder. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content If a Tree Falls Do you know what to do if a tree falls on your house, damaging your roof? Understanding the Basics of Medigap Policies Important as it is, Medicare does not cover the full range of health-care expenses you may experience in your golden years. Long-Term-Care Protection Strategies The chances of needing long-term care, its cost, and strategies for covering that cost.