1 seaside /ˈsiːˌsaɪd/ adjective Learner's definition of SEASIDE
always used before a noun
: located in the area near the sea海边的;海滨的 2 seaside noun
Learner's definition of SEASIDE
the seaside
chiefly British
: the areas or towns along or near the sea海滨地区;海边城镇