security

noun10

1. •
   the condition of being safe, with no danger to the body, the mind or money

   • Chad always carries a gun for his own security.
   • The pink blanket gives little Mary lots of security.
2. •
   Freedom from apprehension.
3. •
   An organization or department responsible for providing security by enforcing laws, rules, and regulations as well as maintaining order.

   • Pamela works in security.
4. •
   [in the plural] A tradeable financial asset, such as a share of stock or any of various classes of bond.
5. •
   Proof of ownership of stocks, bonds or other investment instruments.
6. •
   Something that secures the fulfillment of an obligation or law.
7. •
   Property etc. temporarily relinquished to guarantee repayment of a loan.
8. •
   A guarantee.

   • Those who lent him money lent it on no security but his bare word. — 1849
9. •
   Something that secures.
10. •
    (no longer used) Carelessness; negligence.

    • He means, my lord, that we are too remiss, Whilst Bolingbroke, through our security, Grows strong and great in substance and in power. — 1595