Umbrella Liability InsuranceA policy that "floats" above your other coverage. You must carry a certain amount of underlying liability coverage before you may buy an umbrella policy.
UnderwriterAn individual in an insurance company who determines what insurance risks will be accepted and on what terms.
UnderwritingThe purchase for resale of a new issue of securities by an investment dealer or group of dealers.
Unearned premiumThe portion of the premium for the remaining time period that the policy will not be in force.