/ Dictionary / Index S sea wrack: Meaning and Definition of Find definitions for: sea' wrack" Pronunciation: [key] seaweed or a growth of seaweed, esp. of the larger kinds cast up on the shore. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. seaworthy sebaceous Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language