局部|きょくぶkyokubu[1]atamadaka (head-high)

1. nounpart; section
   天文学てんもんがく者しゃが局部きょくぶ超ちょう銀河団ぎんがだんの存在そんざいを推定すいていしました。↗

   Astronomers inferred the existence of a local supercluster.
2. nounaffected part (of the body)
   ２時間じかん毎ごとに局部きょくぶを湿布しっぷしなさい。↗

   Apply a compress to the affected part every two hours.
3. nounprivate parts; genitals
   局部きょくぶにかゆみがあります。↗

   I have an itchy crotch.

• Synonym局所きょくしょWrittenWritten/formal word for a limited area that leans toward medical use, as in 「局所麻酔」; otherwise it means the same as 「局部」.
• Synonym部分ぶぶんNeutralThe most general word for a part; unlike 「局部」, it has no euphemistic sense for the private parts of the body.
• Related一部分いちぶぶんNeutralThe everyday, neutral word for a part of a whole, common in speech and writing; 「局部」 leans written and can also euphemistically mean the private parts.
• RelatedセクションNeutralA loanword for a section — a department in an organization or a chapter of a document; typical of organizations and documents.
• Related一部いちぶNeutralA part of a whole, as in 「一部地域」 or 「計画の一部」; it does not carry 「局部」's euphemistic private-parts sense.
• Related一端いったんWrittenWritten/formal: one end, or figuratively a part of something, as in 「責任の一端」; it leans abstract.
• RelatedセグメントNeutralA loanword for segments of markets or data; it carries a business-analysis flavor.
• Antonym全体ぜんたいNeutralThe whole or entirety; the direct opposite of 「局部」, which covers only part of something.
• Antonym全局ぜんきょくWrittenWritten/formal: the overall situation or whole picture; it stands opposite to 「局部」.

Everyday 'part of a whole' is 「部分」 or 「一部」. 「局部」 is written-style, for a limited area of a whole as in 「局部的な問題」, and doubles as a euphemism for the private parts; medicine prefers 「局所」. 「セグメント」 covers market/data segments and 「セクション」 departments or chapters. For the whole, use 「全体」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 全体ぜんたいの中なかの限かぎられた一部分いちぶぶん。
2. 陰部いんぶ。