/ Dictionary / Index S spectre: Meaning and Definition of Find definitions for: spec•tre Pronunciation: (spek'tur), [key] — n. Chiefly Brit. specter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: spectre (Thesaurus) spectra yellow spectrin Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language