Definition of "shoulder board" [shoulder board]

• One of a pair of oblong pieces of stiffened cloth worn on each shoulder of a military uniform and carrying insignia identifying the wearer's rank. Also called shoulder mark. (noun)

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.