/ Dictionary / Index P procellous: Meaning and Definition of Find definitions for: pro•cel•lous Pronunciation: (prō-sel'us), [key] — adj. stormy, as the sea. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. procellas procercoid Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language