Meaning of muralism

mu•ral•ism

Pronunciation: (myoor'u-liz"um), [key]
— n.
  1. an artistic movement identified chiefly with the Mexican painters José Orozco, Diego Rivera, and David Siqueiros and exemplified by their grand-scale, narrative murals on humanitarian, social, and political themes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.