noun

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

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

3. An established expression whose meaning is not deducible from the literal meanings of its component words, often peculiar to a given language.

Synonyms: dialect, language, languoid, lect, vernacular, expression, form of words, locution