/ Dictionary / Index M mainstreaming: Meaning and Definition of Find definitions for: main•stream•ing Pronunciation: (mān'strē"ming), [key] — n. integration of children with special educational problems, as a physical handicap, into conventional classes and school activities. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mainstreamer main street 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