I. At‧lan‧tic /ətˈlæntɪk/ adjective
in, near, or from the Atlantic Ocean:
the southern Atlantic coast
Atlantic salmon

[TahlilGaran] Dictionary of Contemporary English ▲

II. Atlantic, the
the Atlantic Ocean. British people sometimes use phrases such as ‘across the Atlantic’ or ‘on the other side of the Atlantic’ when they are talking about the US, and Americans use these phrases when they are talking about western Europe, especially the UK:
Scientists from both sides of the Atlantic will meet next month in New York.

[TahlilGaran] Dictionary of Contemporary English ▲

Atlantic, the
the Atlantic Ocean. British people sometimes use phrases such as ‘across the Atlantic’ or ‘on the other side of the Atlantic’ when they are talking about the US, and Americans use these phrases when they are talking about western Europe, especially the UK:
Scientists from both sides of the Atlantic will meet next month in New York.

[TahlilGaran] Dictionary of Contemporary English ▲