surety

英['ʃʊərɪtɪ;'ʃʊətɪ] 美['ʃʊrəti]

1. something clearly established

2. property that your creditor can claim in case you default on your obligation;

"bankers are reluctant to lend without good security"

3. a prisoner who is held by one party to insure that another party will meet specified terms

4. one who provides a warrant or guarantee to another

5. a guarantee that an obligation will be met