locution
/loʊ̯ˈkju.ʃn̩/noun
High School
1
A phrase or expression peculiar to or characteristic of a given person or group of people.
2
The use of a word or phrase in an unusual or specialized way.
3
Style of discourse or usage, or any particular utterance in such style.
4
A supernatural revelation where a religious figure, statue or icon speaks, usually to a saint.