N-SING
(尤指作为度假地的)海边，海滨
You can refer to an area that is close to the sea, especially one where people go for their holidays, as the seaside .
例句
I went to spend a few days at the seaside...
我去海滨玩了几天。
The town was Redcar, a seaside resort on the Cleveland coast.
那个城镇叫雷德卡，是克利夫兰海岸上的一个海滨胜地。