/ Dictionary / Index S separatrix: Meaning and Definition of Find definitions for: sep•a•ra•trix Pronunciation: (sep'u-rā"triks, sep"u-rā'-), [key] — pl. sep•a•ra•tri•ces sep•a•ra•trix•es. something that divides or separates, as the line between light and dark areas on a partially illuminated surface. virgule. one of several symbols for separating components of a number, as a decimal point or comma. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: separatrix (Thesaurus) separatory Seph. Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language