/ Dictionary / Index S saguaro: Meaning and Definition of Find definitions for: sa•gua•ro Pronunciation: (su-gwär'ō, -wär'ō), [key] — pl. -ros. a tall, horizontally branched cactus, Carnegiea (or Cereus) gigantea, of Arizona and neighboring regions, yielding a useful wood and bearing an edible fruit: still locally common, though some populations have been reduced. See illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: saguaro (Thesaurus) Saguache Saguenay Related Content Daily Word Quiz: menagerie Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language