The language peculiar to a people or to a district, community, or class
Idiom:
security against (something)
Meaning:
something that keeps something safe, protection against something
Example:
The money in the bank is my security against losing my job in the future.
List of common idioms, their meanings and examples of their usage in sentences
An expression in the usage of a language that is peculiar to itself either in having a meaning that cannot be derived from the conjoined meanings of its elements or in its grammatically atypical use of words.