Pronunciation: (ō"shē-an'ik), [key]
1. of, living in, or produced by the ocean: oceanic currents.
2. of or pertaining to the region of water lying above the bathyal, abyssal, and hadal zones of the sea bottom. Cf. neritic, pelagic.
3. immensely large; vast: an oceanic expanse of stars.
4. (cap.) of or pertaining to Oceania, its peoples, or their languages.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.