Meaning of “profession” - Learner’s Dictionary

profession

noun uk us /prəˈfeʃən/
WORK [ C ]

B1 a type of work that needs special training or education:

What's your profession?
He's working in a restaurant, but he's a teacher by profession (= he trained to be a teacher).
PEOPLE [ group ]

B2 the people who do a type of work considered as a group:

The medical profession has expressed concern about the new drug.

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