Nouns

(n)peanutunderground pod of the peanut vine
(n)peanut, peanut vine, Arachis hypogaeawidely cultivated American plant cultivated in tropical and warm regions; showy yellow flowers on stalks that bend over to the soil so that seed pods ripen underground
(n)peanuta young child who is small for his age
(n)peanut, earthnut, goober, goober pea, groundnut, monkey nutpod of the peanut vine containing usually 2 nuts or seeds; `groundnut' and `monkey nut' are British terms

Adjectives

(s)insignificant, peanutof little importance or influence or power; of minor status“a minor, insignificant bureaucrat”, “peanut politicians”