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Definition of silver grass
: any of several grasses or grasslike plants having silvery pubescence: such as
a : ribbon grass
b : a plant of the genera Danthonia, Deschampsia, and Festuca of Australia and New Zealand
c : a golden aster (Chrysopsis graminifolia) of southern U.S. with silvery grasslike foliage
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Merriam-Webster unabridgedWords at Play
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