Definition of Tripsacum
: a genus of coarse perennial grasses of the southern U.S. and South America having androgynous spikes with the 2-flowered staminate spikelets above and the pistillate below with the latter embedded in the joints of the rachis — see gama
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Origin and Etymology of tripsacum
New Latin, from Greek tripsis rubbing, friction, resistance to rubbing; akin to Greek tribein to rub
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