へそ・臍・𦜝heso[0]heiban (flat)

1. nounnavel; belly button
2. nounprotrusion or depression in the middle of an object
3. nouncenter; centre; most important part; main point

• SynonymおへそCasualA warmer, friendlier way to say 「臍」; the prefix 「お」 makes it colloquial, and 「おへそ」 is what people usually say in daily conversation.
• Related真ん中まんなかNeutralRefers to the exact middle and is the most common everyday word for it; when 「臍」 is used figuratively for a center it carries a vivid, image-based feel.
• Related中央ちゅうおうNeutralPoints to a central position, and can also mean the capital or the central government; somewhat formal in tone.
• Related中心ちゅうしんNeutralMeans the center or core of something, as in 「話題の中心」, and has the broadest range of uses of these words.
• Related真中まなかWrittenA written-style word for the exact middle, rarely used today; say 「真ん中」 in everyday speech.

Use 「臍」 for the navel or a bump or dip at the center of an object; it also appears in 「臍を曲げる」 (sulking). In everyday speech say 「おへそ」. For the exact middle pick 「真ん中」, and for a center or core pick 「中心」.

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

1. 腹部ふくぶの中央ちゅうおうにある小ちいさなくぼみで臍の緒へそのおがとれた跡あと。ほぞ。臍へそ窩か。
2. 物ものの表面ひょうめんの中央ちゅうおうにある小ちいさな突起とっき、陥没かんぼつした部分ぶぶん。
3. 物ものの中央ちゅうおうにあたる部分ぶぶん。中心ちゅうしん。最もっとも重要じゅうような部分ぶぶん。ポイント。
4. 石臼いしうす、重かさね家具かぐなどの重かさなりの部分ぶぶんにある小ちいさな突起とっき。