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Security Definition

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Other Security Definition

[n] measures taken as a precaution against theft or espionage or sabotage etc.; "military security has been stepped up since the recent uprising"
[n] an electrical device that sets off an alarm when someone tries to break in
[n] a guarantee that an obligation will be met
[n] freedom from anxiety or fear; "the watch dog gave her a feeling of security"
[n] a department responsible for the security of the institutions property and workers; "the head of security was a former policeman"
[n] defense against financial failure; "his pension gave him security in his old age"; "insurance provided protection against loss of wages due to illness"
[n] property that your creditor can claim in case you default on your obligation; "bankers are reluctant to lend without good security"
[n] 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"
[n] the state of being free from danger or injury; "we support the armed services in the name of national security"



Misc. Definitions

\Se*cu"ri*ty\, n.; pl. {Securities}. [L. securitas: cf. F. s['e]curit['e]. See {Secure}, and cf. {Surety}.]
1. The condition or quality of being secure; secureness. Specifically: (a) Freedom from apprehension, anxiety, or care; confidence of power of safety; hence, assurance; certainty. His trembling hand had lost the ease, Which marks security to please. --Sir W. Scott. (b) Hence, carelessness; negligence; heedlessness. He means, my lord, that we are too remiss, Whilst Bolingbroke, through our security, Grows strong and great in substance and in power. --Shak. (c) Freedom from risk; safety. Give up yourself merely to chance and hazard, From firm security. --Shak. Some . . . alleged that we should have no security for our trade. --Swift.
2. That which secures or makes safe; protection; guard; defense. Specifically: (a) Something given, deposited, or pledged, to make certain the fulfillment of an obligation, the performance of a contract, the payment of a debt, or the like; surety; pledge. Those who lent him money lent it on no security but his bare word. --Macaulay. (b) One who becomes surety for another, or engages himself for the performance of another's obligation.
3. An evidence of debt or of property, as a bond, a certificate of stock, etc.; as, government securities. Syn: Protection; defense; guard; shelter; safety; certainty; ease; assurance; carelessness; confidence; surety; pledge; bail.

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