Top Definition
A modern athletic uniform, particularly in professional baseball, that recreates the appearance of satin uniforms worn for early night games, but using materials other than satin. A type of fauxback or throwback uniform. Compound of ersatz and satin.
The Dodgers' new ersatins look good, but they lack the shimmer of the 1940s originals.
by arrscott October 06, 2011

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