/ Dictionary / Index W weathering: Meaning and Definition of Find definitions for: weath•er•ing Pronunciation: (we'ur-ing), [key] — n. wash (def. 48). material used as a weather strip. the various mechanical and chemical processes that cause exposed rock to decompose. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: weathering (Thesaurus) weatherglass weatherize Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language