Meaning of “set-up” - Learner’s Dictionary

set-up

noun [ C ] uk us /ˈsetʌp/ informal
ARRANGEMENT

the way that something is arranged or organized:

It took me a while to get used to the set-up in my new job.
TRICK

a plan that is dishonest and is intended to trick someone

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