a blanket or other object that a child holds in order to feel safe
Example:
- He takes his security blanket with him everywhere.
- For her, money was like a security blanket.
something that provides protection against attack, danger, etc.
Example:
- A firewall provides an essential security blanket for your computer network.
official orders or measures that prevent people from knowing about, seeing, etc. something
Example:
- The government has thrown a security blanket around the talks.