To demand, ask for, or take as one's own or one's due: claim a reward; claim one's luggage at the airport carousel. To take in a violent manner as if by right: a hurricane that claimed two lives. To state to be true, especially when open to question; assert or maintain: claimed he had won the race; a candidate claiming many supporters. To deserve or call for; require: problems that claim her attention. A demand for something as rightful or due. A basis for demanding something; a title or right. Something claimed in a formal or legal manner, especially a tract of public land staked out by a miner or homesteader. A demand for payment in accordance with an insurance policy or other formal arrangement. The sum of money demanded. A statement of something as a fact; an assertion of truth: makes no claim to be a cure. lay claim to To assert one's right to or ownership of.