/ Dictionary / Index S sooty mold: Meaning and Definition of Find definitions for: soot'y mold' Pronunciation: [key] a disease of plants, characterized by a black, sooty growth covering the affected parts, caused by any of several fungi. any fungus causing this disease, as molds of the genera Capnodium, Phragmocapnias, and Scorias. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sooty grouse sooty shearwater Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language