SECURITY
none. (plural. -ies) 1 secure condition or feeling. 2 thing that guards or guarantees. 3 a safety against espionage, theft, etc. B organization for ensuring this. 4 thing deposited as a guarantee of an undertaking or loan, to be forfeited in case of default. 5 (often in plural.) Document as evidence of a loan, certificate of stock, bonds, etc.