/ Dictionary / Index S sea swallow: Meaning and Definition of Find definitions for: sea' swal"low Pronunciation: [key] any of several terns, esp. Sterna hirundo. any of several small petrels, esp. the storm petrel, Hydrobates pelagicus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. seastrand seat Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language