/ ˈsiːsaɪd; NAmE / (often the seaside ) noun
[ sing. ] ( especially BrE ) an area that is by the sea, especially one where people go for a day or a holiday / vacation :
a trip to the seaside
a day at / by the seaside
➡ note at coast
► sea·side adjective [ only before noun ]:
a seaside resort
a seaside vacation home