[ noun ] adornment consisting of an ornamental cloth pad worn on the shoulder <noun.artifact>
Epaulet \Ep"au*let`\, Epaulette \Ep"au*lette`\, n. [F. ['e]paulette, dim. of ['e]paule shoulder, fr. L. spatula a broad piece (LL., shoulder), dim. of spatha abroad, flat instrument, fr. Gr. ?, also, a broad rib, shoulder blade. See {Spade} the instrument, and cf. {Epaule}, {Spatula}.] (Mil.) A shoulder ornament or badge worn by military and naval officers, differences of rank being marked by some peculiar form or device, as a star, eagle, etc.; a shoulder knot.
Note: In the United States service the epaulet is reserved for full dress uniform. Its use was abolished in the British army in 1855.