/ Dictionary / Index W Washington thorn: Meaning and Definition of Find definitions for: Wash'ington thorn' Pronunciation: [key] a dense tree, Crataegus phaenopyrum, of the rose family, native to the eastern coast of the U.S., having triangular leaves, small clusters of white flowers, and clusters of bright red fruit. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Washington State Washita Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language