n. & adj.
--n. the ocean between Europe and Africa to the east, and America to the west.
--adj. of or adjoining the Atlantic.
Phrases and idioms:
Atlantic Time the standard time used in the most eastern parts of Canada and Central America.
Etymology: ME f. L Atlanticus f. Gk Atlantikos (as ATLAS, -IC): orig. of the Atlas Mountains, then of the sea near the W. African coast