Definition of "herb"

For twenty-five years he has done all sorts of odd jobs: digging ginseng (a herb) in the Long White Mountains, fishing in the Black River, and washing gold dust at Hailanpao. Without this education, he would never have become an undaunted revolutionary.

1973, Joe C. Huang, “The Formative Years - The Village”, in Heroes and Villains in Communist China: The Contemporary Chinese Novel as a Reflection of Life‎, New York: Pica Press, page 33

You think he's got any herb?

1995, Harmony Korine, Kids, spoken by Casper

flocks grazing the tender herb

1667, John Milton, “Book IV”, in Paradise Lost. […], London: […] [Samuel Simmons], […]; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873,

George (AO) describes the tie between fighting and respect: 'Cause some people could come up to you and say, “Ah, he's a herb, he can't fight. He's nothing.”

2008, Maryann Dickar, Corridor Cultures: Mapping Student Resistance at an Urban School, page 88