security

security is a Noun

Definition:

[1] The condition or quality of being secure; secureness. Specifically:

[2] 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.

[3] 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.

[4] 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.

[5] That which secures or makes safe; protection; guard; defense. Specifically:

[6] 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.

[7] One who becomes surety for another, or engages himself for the performance of another`s obligation.

[8] An evidence of debt or of property, as a bond, a certificate of stock, etc.; as, government securities.