/ Dictionary / Index S setiform: Meaning and Definition of Find definitions for: se•ti•form Pronunciation: (sē'tu-fôrm"), [key] — adj. bristle-shaped; setaceous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. SETI setigerous Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language