shoulder mark

noun

: one of a pair of nearly rectangular pieces of stiffened cloth worn parallel to the shoulder seam of some uniforms of U.S. Navy officers, bearing embroidered or gold lace or black braid insignia of rank and line or corps devices, and secured at the inner triangular end by a gilt button

called also shoulder board

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!