PEANUT

I. noun Date: 1802 a low-branching widely cultivated annual herb ( Arachis hypogaea ) of the legume family with showy yellow flowers having a peduncle which elongates and bends into the soil where the ovary ripens into a pod containing one to three oily edible seeds, an insignificant or tiny person, a trifling amount, a pellet usually made of polystyrene foam that is used especially as packing material, II. adjective Date: 1836 insignificant , petty