ID'IOM, n. [L. idioma, from Gr. proper, or peculiar to one's self; Eng. widow, wide.]

1. A mode of expression peculiar to a language; peculiarity of expression or phraseology. In this sense, it is used in the plural to denote forms of speech or phraseology, peculiar to a nation or language.

And to just idioms fix our doubtful speech.

2. The genius or peculiar east of a language.

He followed the Latin language, but did not comply with the idiom of ours.

3. Dialect.