Bedeutung von “idiom” — Learner’s Dictionary

idiom

noun [ C ] us uk /ˈɪdiəm/

B2 a group of words used together with a meaning that you cannot guess from the meanings of the separate words

idiomatic adjective us uk /ˌɪdiəʊˈmætɪk/

idiomatic language

(Definition von “idiom” aus dem Cambridge Learner's Dictionary © Cambridge University Press)