rim

1. N-COUNT The rim of a container such as a cup or glass is the edge that goes all the way around the top. (容器的) 上緣

She looked at him over the rim of her glass. 她沿玻璃杯口看著他。

2. N-COUNT The rim of a circular object is its outside edge. (圓形物體的) 外緣; 外框

...a round mirror with white metal rim. …一面有白色金屬邊框的圓鏡子。