peanut butter

: 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

: insignificant, petty

: a solid emulsion of fat globules, air, and water made by churning milk or cream and used as food

: a buttery substance: such as

: any of various fatty oils remaining nearly solid at ordinary temperatures

: to spread with or as if with butter