A group active in the invention and application of new techniques in a given field, especially in the arts.
Of, relating to, or being part of an innovative group, especially one in the arts: avant-garde painters; an avant-garde theater piece.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.