/ Dictionary / Index S staysail: Meaning and Definition of Find definitions for: stay•sail Pronunciation: (stā'sāl"Naut.stā's&schwal), [key] — n. Naut. any sail set on a stay, as a triangular sail between two masts. See diag. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: staysail (Thesaurus) stay-press S.T.B. Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language