Meaning of “assembly” - Learner’s Dictionary

assembly

noun uk us /əˈsembli/
SCHOOL [ C, U ] UK

a regular meeting of all the students and teachers at a school:

morning assembly
GROUP [ C ]

a group of people, such as a government, who meet to make decisions, laws, etc:

the national assembly
BUILD [ U ]

the act of building something by joining parts together

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