witchgrass

noun

witch·​grass ˈwich-ˌgras 

1

: quack grass

2

[witch entry 1] : a North American grass (Panicum capillare) with slender brushy panicles that is often a weed on cultivated land

Word History

Etymology

probably alteration of quitch (grass)

First Known Use

1790, in the meaning defined at sense 1

Medical Definition

witchgrass

noun

witch·​grass ˈwich-ˌgras 

: quack grass