insurance certificate n1 : a certificate issued by an insurer to a shipper as evidence that a shipment of merchandise is covered under a marine insurance policy
2 : a certificate issued in place of an insurance policy by an insurer to one insured as evidence of membership in an insurance or pension plan
Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.