Atlantic \At*lan"tic\, a. [L. Atlanticus, fr. Atlas. See Atlas and Atlantes.]

1. Of or pertaining to Mt. Atlas in Libya, and hence applied to the ocean which lies between Europe and Africa on the east and America on the west; as, the Atlantic Ocean (called also the Atlantic); the Atlantic basin; the Atlantic telegraph.

2. Of or pertaining to the isle of Atlantis.

3. Descended from Atlas.

The seven Atlantic sisters. --Milton.

Source: Webster's Revised Unabridged Dictionary (1913)