/ Dictionary / Index C caltrop family: Meaning and Definition of Find definitions for: cal'trop fam"ily Pronunciation: [key] the plant family Zygophyllaceae, typified by tropical herbaceous plants and shrubs having pinnate leaves, solitary or paired regular flowers, and fruit in the form of a capsule, and including the creosote bush, lignum vitae, and puncture vine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. caltrop calumet Related Content Daily Word Quiz: wary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language