Added 9 October 2026 atlantic noun Categories: NatureEveryday Words noun ! Definition from WordNet 3.1, Princeton University. More about atlantic at Wordnik → Where our words come from → The 2nd largest ocean; separates North and South America on the west from Europe and Africa on the east. adjective Relating to or bordering the Atlantic Ocean. Atlantic currents Related Words: maritimesnewfoundlandlabradorcanadabrunswickwesternregionnatotransatlantictrans-atlanticprairies Back to today's word