ナンキンまめalso: ナンキンマメナンキンまめMeanings1nounpeanutusually written using kana aloneRefers to the peanut plant or its edible seed; synonymous with 落花生 (らっかせい) and ピーナッツ.See also: 落花生 (らっかせい) · ピーナッツナンキンまめは落らっ花か生せいの別べつ名めいです。Nankin-mame is another name for peanuts.