Meaning of “crown” - Learner’s Dictionary

crown

noun uk us /kraʊn/
KING/QUEEN [ C ]

a round object made of gold and jewels (= valuable stones) that a king or queen wears on their head

TOP [ C ]

the top of a hat, head, or hill

the Crown

used to refer to the power or government of a king or queen:

All this land belongs to the Crown.
TOOTH [ C ]

an artificial top that is put on a damaged tooth

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