/ Dictionary / Index S subsea: Meaning and Definition of Find definitions for: sub•sea Pronunciation: (sub-sē', sub'sē"), [key] — adj. occurring, working, etc., under the sea or ocean: a subsea specialist in oil rigs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. subscription television subsecretariat Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language