gramineous

adjective
gra·​min·​e·​ous | \ grə-ˈmi-nē-əs How to pronounce gramineous (audio) \

Definition of gramineous

: of or relating to a grass

First Known Use of gramineous

circa 1658, in the meaning defined above

History and Etymology for gramineous

Latin gramineus, from gramin-, gramen grass

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The first known use of gramineous was circa 1658

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