/ Dictionary / Index Z zygo-: Meaning and Definition of Find definitions for: zygo- Pronunciation: [key] a combining form meaning “yoke,” “yoked,” “yoke-shaped,” used in the formation of compound words: zygomorphic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. zygapophysis zygodactyl Related Content Daily Word Quiz: jovial Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language