(noun.) measures taken as a precaution against theft or espionage or sabotage etc.; 'military security has been stepped up since the recent uprising'.
(noun.) a guarantee that an obligation will be met.
(noun.) freedom from anxiety or fear; 'the watch dog gave her a feeling of security'.
(noun.) a department responsible for the security of the institution's property and workers; 'the head of security was a former policeman'.
(noun.) 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'.
(noun.) property that your creditor can claim in case you default on your obligation; 'bankers are reluctant to lend without good security'.
(noun.) 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'.
(noun.) the state of being free from danger or injury; 'we support the armed services in the name of national security'.
整理:莉莲
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