What does the word sea mean?

Usage examples for sea

  1. Why- when I was a boy, it was simply a little town by the sea. – The Wooden Horse by Hugh Walpole
  2. This put Bart at sea for a moment. – Frank Merriwell's Chums by Burt L. Standish
  3. The address he left is the Tankerton Hotel, Tankerton, near Whitstable- on- Sea, sir. – The Dweller on the Threshold by Robert Smythe Hichens