Meaning of “fashion” - Learner’s Dictionary

fashion

noun uk us /ˈfæʃən/
STYLE [ C, U ]

A2 the most popular style of clothes, appearance, or behaviour at a particular time:

Long hair is back in fashion for men.
Fur coats have gone out of fashion.
BUSINESS [ U ]

B1 the business of making and selling clothes:

the fashion industry
WAY [ no plural ] formal

the way in which someone does something:

He told the story in a very amusing fashion.

(Definition of “fashion noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)