/ Dictionary / Index T talcum powder: Meaning and Definition of Find definitions for: tal'cum pow"der Pronunciation: (tal'kum), [key] a powder made of purified, usually perfumed talc, for toilet purposes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. talcose tale Related Content Daily Word Quiz: wizened Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language