1. A prostrate southern Brazilian plant (Arachis hypogaea) widely cultivated in tropical and warm temperate regions, having yellow flowers on stalks that bend over so that the seed pods ripen underground.
2. The edible, nutlike, oily seed of this plant, used for food and as a source of oil. Also called regionally goober, goober pea.
3. A peanut-shaped piece of polystyrene, used in cushioning items during shipment.
a. A small child. Often used as a term of affection.
b. A person who is regarded as insignificant.
5. peanuts Informal A very small amount of money; a trifling sum.
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