1. (

• security

) the state of being free from danger or injury; "we support the armed services in the name of national security" ;

2. (

• security ,
• protection

) defense against financial failure; financial independence; "his pension gave him security in his old age"; "insurance provided protection against loss of wages due to illness" ;

3. (

• security

) freedom from anxiety or fear; "the watch dog gave her a feeling of security" ;

4. (

• security ,
• certificate

) a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends; "he held several valuable securities" ;

5. (

• security ,
• surety

) property that your creditor can claim in case you default on your obligation; "bankers are reluctant to lend without good security" ;

6. (

• security ,
• security_department

) a department responsible for the security of the institution's property and workers; "the head of security was a former policeman" ;

7. (

• security ,
• surety

) a guarantee that an obligation will be met ;

8. (

• security_system ,
• security_measure ,
• security

) an electrical device that sets off an alarm when someone tries to break in ;

9. (

• security ,
• security_measures

) measures taken as a precaution against theft or espionage or sabotage etc.; "military security has been stepped up since the recent uprising" ;