/ Dictionary / Index S sacred thread: Meaning and Definition of Find definitions for: sa'cred thread' Pronunciation: [key] — Hinduism. Hinduism. a cord worn by Hindus of the three upper castes as a sign of being twice-born or initiated into the Vedas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Sacred Roman Rota Sacred Writ 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