What is the meaning of Idiom?

A manner of speaking, a mode of expression peculiar to a language, language family, or group of people.

A programming construct or phraseology that is characteristic of the language.

A language or language variety; specifically, a restricted dialect used in a given historical period, context etc.

An established phrasal expression whose meaning may not be deducible from the literal meanings of its component words.

An artistic style (for example, in art, architecture, or music); an instance of such a style.

idiom (established expression whose meaning is not deducible from the literal meanings of its component words)

idiom (idiomatic expression)

idiom (artistic style)

idiom (language or language variety)

idiom, phraseme, phraseological unit, phraseologism, set expression, set phrase, turn of phrase

idiom (artistic style)

idiom (language or language variety)

idiom

idiom (idiomatic expression)

idiom (artistic style)

idiom (language or language variety)

Source: wiktionary.org