insurance insurance /ˌɪnˈʃʊrəns/

noun

1. () 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  ( 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
    It's essential to have car insurance to protect against any unexpected events
   It's essential to have car insurance to protect against any unexpected events
   
2. () Written contract or certificate of insurance  ( insurance policy , insurance , policy )
   written contract or certificate of insurance
    You should have read the small print on your policy
   you should have read the small print on your policy
   
3. Protection against future loss  ( indemnity , insurance )
   protection against future loss