The language peculiar to a people or to a district, community, or class
done with great care, done very carefully
My mother always makes sure that her hair is just so before she goes out.
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.