/ Dictionary / Index R rush family: Meaning and Definition of Find definitions for: rush' fam"ily Pronunciation: [key] the plant family Juncaceae, characterized by herbaceous plants having narrow, grasslike leaves, small and greenish flowers, and capsular fruit with three compartments, comprising the true rushes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rusher rush hour Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language