/ Dictionary / Index Z zygophyllaceous: Meaning and Definition of Find definitions for: zy•go•phyl•la•ceous Pronunciation: (zī"gō-fu-lā'shus, zig"ō-), [key] — adj. belonging to the Zygophyllaceae, the caltrop family of plants. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. zygophore zygophyte Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language