a circular decoration, especially for the head, or a piece of jewellery in the shape of a circle

The girls pick the flowers and twist them into circlets they put on their heads. 姑娘们摘下花来，拧成环戴在头上。

The necklace is a delicate circlet of gold, wired with pearls and diamonds. 这条项圈是一个的精致黄金饰环，上面缀满珍珠和钻石。