/ Dictionary / Index S sisal: Meaning and Definition of Find definitions for: si•sal Pronunciation: (sī'sul, sis'ul), [key] — n. Also calleda fiber yielded by an agave, Agave sisalana, of Yucatán, used for making rope, rugs, etc. the plant itself. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sisal (Thesaurus) sis siscowet Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language