/ Dictionary / Index T tanistry: Meaning and Definition of Find definitions for: tan•ist•ry Pronunciation: (tan'u-strē, thô'nu-), [key] — n. the system among various Celtic tribes of choosing a tanist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tanist Tanizaki 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