security-n; 7 Senses

Sense Number 1: a legal certificate that guarantees an obligation, often financial

Commentary: SECURITY[+document][+safeguard]

John placed all his securities from the national bank into a safe deposit box.
If you lose this security, you cannot collect on the bond when it matures.

WordNet 3.0 Sense Numbers: 4, 7

Sense Number 2: a defense against failure (usually financial) or default

Commentary: SECURITY[+asset][+safeguard]

Mary bought stocks as a security against inflation.
The bank won't lend you money without some type of security.
Their insurance provided no real security against a catastrophic illness.

WordNet 3.0 Sense Numbers: 2, 5

Sense Number 3: state of safety or being free from harm

Commentary: SECURITY[+state][+physical]
NOTE: the security is a physical fact, not a perception of the recipient

The President said better intelligence is needed to ensure national security.
Will more streetlights in the neighborhood enhance security at night?
Please keep your seat belt fastened to ensure your security in case of turbulence.

WordNet 3.0 Sense Numbers: 1

Sense Number 4: an organization whose goal is to maintain safety

Commentary: SECURITY[+organization]

I telephoned security when I saw someone breaking into a car in the parking lot.
They've added more security from the local police to watch the courthouse during this trial.
The security for our company is managed by a separate agency.

WordNet 3.0 Sense Numbers: 6

Sense Number 5: precautionary actions taken to avert danger or undesirable effects

Commentary: SECURITY[+action][+precaution]

Airport security was stepped up after 9/11.
The assailant managed to slip through security without being noticed.
They are going to start scanning retinas as part of the new security.

WordNet 3.0 Sense Numbers: 9

Sense Number 6: feeling safe from any harm, feeling no anxiety

Commentary: SECURITY[+state][+mental]
NOTE: the mental state does NOT imply the perceiver is actually free from danger.

The familiar toys gave the child a sense of security.
These flimsy boards do not add to my feeling of security about this catwalk.

WordNet 3.0 Sense Numbers: 3

Sense Number 7: electronic device with monitoring and alarm capabilities

Commentary: SECURITY[+device][+electronic]

Don't cross in front of that beam or you'll set off the security.
The security for that building is a network of monitors and state-of-the-art surveillance equipment.

WordNet 3.0 Sense Numbers: 8