Meaning of “ceremony” - Learner’s Dictionary

ceremony

noun uk us /ˈserɪməni/
EVENT [ C ]

B1 a formal event that is performed on important social or religious occasions:

a wedding/marriage ceremony
an award ceremony
BEHAVIOUR [ U ]

formal behaviour, words, and actions that are part of a ceremony

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