/ Dictionary / Index Z zendo: Meaning and Definition of Find definitions for: zen•do Pronunciation: (zen'dō), [key] — pl. -dos. the meditation room of a Zen monastery. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Zend-Avesta zener diode Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language