(らっかせい)

らっかせい
noun
peanut; groundnut
1. peanut; groundnut
A legume plant whose seed pods ripen underground, widely eaten roasted, boiled, or processed into oil and butter.
落花生(らっかせい)(から)から()す。
To shell peanuts.
千葉県(ちばけん)落花生(らっかせい)産地(さんち)として有名(ゆうめい)だ。
Chiba Prefecture is famous as a peanut-producing region.
落花生(らっかせい)アレルギーがあるので、()べる(まえ)成分(せいぶん)確認(かくにん)している。
Since I have a peanut allergy, I check the ingredients before eating.

The formal, standard Japanese word for peanut. The name literally means 'fallen flower born' ((らく) fall + () flower + (せい) born), referring to how the flower stalk bends down after pollination so the pods develop underground.

COMMON COLLOCATIONS:

  • 落花生(らっかせい)(から): peanut shell
  • 落花生(らっかせい)(あぶら): peanut oil
  • ()落花生(らっかせい): boiled peanuts

SIMILAR WORDS:

  • ピーナッツ: the loanword form, more casual and common in everyday speech
  • 南京豆(なんきんまめ): an older name for peanut, now less common

CULTURAL NOTE:
千葉県(ちばけん) produces about 80% of Japan's domestic peanuts. Freshly harvested boiled peanuts (()落花生(らっかせい)) are a seasonal delicacy in autumn.