/ Dictionary / Index S sectile: Meaning and Definition of Find definitions for: sec•tile Pronunciation: (sek'til), [key] — adj. capable of being cut smoothly with a knife. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sectary section 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