N-SING
(尤指作為度假地的)海邊，海濱
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...
我去海濱玩了幾天。
The town was Redcar, a seaside resort on the Cleveland coast.
那個城鎮叫雷德卡，是克利夫蘭海岸上的一個海濱勝地。