Breadcrumb Home > Dictionary > Index S sectorial: Meaning and Definition of Find definitions for: sec•to•ri•al Pronunciation: (sek-tôr'ē-ul, -tōr'-), [key] — adj. of or pertaining to a sector. (of teeth) adapted for cutting; carnassial. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sectorial (Thesaurus) sector secular ✖ Related Content Daily Word Quiz: legerdemain Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language