parlance

A certain way of speaking, of using words; especially that associated with a particular job or interest.

Noun

A certain way of speaking, of using words; especially that associated with a particular job or interest.
- To my childish fancy, it had seemed an imaginary flag-staff, or, in rustic parlance, the "liberty pole" of some former generation […] - 1836, James Fenimore Cooper, "Eclipse":
- We approach the contest, still known in the common parlance of the country, as "the first Pennimite War." - 1845, Charles Miner, History of Wyoming, Letter IX:
- The tourist's impression of the country to-day is that of a transported Holland, in which the official language is Dutch and the parlance of the people is "taki-taki." - 1909, William Elliot Griffis, The Story of New...
Of a word, the quality of being lexicalized; especially as jargon or slang.
- Its use at a variety of levels, including the individual and organisational level, make it a varied term that has parlance in organisational development, performance management and talent management. - 2020, Stanley...
Speech, discussion or debate.
- And without further parlance they fought, […] - 1849, Lady Charlotte Guest, The Mabinogion, "Peredur the Son of Evrawc":

From Middle English *parlaunce, from Anglo-Norman parlance, parlaunce, from parler (“to talk”) + -ance.