D defs.my
Entry 1 sense Webster, 1913

Seaside

/sēs'-īdˌ/ · Sea·side · IPA /ˌsiːˈsaɪd/
01 n. The land bordering on, or adjacent to, the sea; the seashore. Also used adjectively.
  1. 1.
    The land bordering on, or adjacent to, the sea; the seashore. Also used adjectively.