peanut (Adjective) — Of little importance, influence or power; of minor status. ex. "peanut politicians"
peanut (Noun) — Underground pod of the peanut vine.
peanut (Noun) — Widely 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.
peanut (Noun) — A young child who is small for his age.
peanut (Noun) — Pod of the peanut vine containing usually 2 nuts or seeds.