The syntactical or structural form peculiar to any language; the genius or cast of a language.
An expression conforming or appropriate to the peculiar structural form of a language; in extend use, an expression sanctioned by usage, having a sense peculiar to itself and not agreeing with the logical sense of its structural form; also, the phrase forms peculiar to a particular author.
You have a political and media elite who have an idiom by which they describe politics. It's highly, highly polarised. It's right, left, red, blue, up, down, victorious, crushed. Nick Clegg
As advertising blather becomes the nation's normal idiom, language becomes printed noise. George Will
Yes, but I view Frank's music as fully composed. In other words, the arrangements can work for any idiom such as a rock band or an orchestra. Frank was a brilliant arranger and could make his music work in any context. He proved that tour after tour and album after album. Dweezil Zappa
Wizards was my homage to Tolkien in the American idiom. I had read Tolkien, understood Tolkien, and wanted to do a sort of fantasy for American kids, and that was Wizards. Ralph Bakshi
I try to use the Australian idiom to its maximum advantage. Paul Keating