| 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. Compare neritic, pelagic. |
| 3. | immensely large; vast: an oceanic expanse of stars. |
| 4. | (initial capital letter ) of or pertaining to Oceania, its peoples, or their languages. |