/ Dictionary / Index W watsonia: Meaning and Definition of Find definitions for: wat•so•ni•a Pronunciation: (wot-sō'nē-u), [key] — n. any of various iridaceous plants of the genus Watsonia, native to southern Africa, having sword-shaped leaves and spikes of white or reddish flowers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Watson-Crick rules Watsonville Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language