/ Dictionary / Index D dry rot: Meaning and Definition of Find definitions for: dry' rot' Pronunciation: [key] a decay of seasoned timber, resulting in its becoming brittle and crumbling to a dry powder, caused by various fungi. any of various diseases of plants in which the rotted tissues are dry. any concealed or unsuspected inner decay. dry-rot Pronunciation: (drī'rot"), [key] — -rot•ted, -rot•ting. to undergo or cause to undergo the action or effects of dry rot. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dry-roasted dry rot fungus Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language