Pronunciation: (sub"ō-shē-an'ik), [key]
1. occurring or existing below the floor of the ocean: suboceanic oil.
2. of, pertaining to, or on the floor of the ocean: suboceanic plants. Also,sub•o•ceanPronunciation: (sub-ō'shun). [key]
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.