Meaning of “career” - Learner’s Dictionary

career

noun [ C ] us uk /kəˈrɪər/
He saw his music as a hobby rather than a career.Her acting career spanned almost forty years.He's hoping the course will improve his career prospects.She decided to pursue a career in television.Her career always comes first.
JOB

B1 a job that you do for a long period of your life and that gives you the chance to move to a higher position and earn more money:

a successful career in marketing
TIME

the time that you spend doing a particular job:

She began her acting career in TV commercials.

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