Term: coinsurance: insurance issued jointly by two or more underwriters
Broader: insurance: promise of reimbursement in the case of loss; paid to people or companies so concerned about hazards that they have made prepayments to an insurance company | Unrelated: dry cell: a small Leclanche cell containing no free liquid; the electrolyte is a paste and the negative zinc pole forms the container of the cell; used in flashlights, portable radios, etc.