Shirabe
臍 を 噛む

臍へそ

Common Noun
Español jmdict
1
noun (common) (futsuumeishi) ombligo
English jmdict
1
noun (common) (futsuumeishi) word usually written using kana alone navel;belly button
2
noun (common) (futsuumeishi) word usually written using kana alone only applies to へそ, ヘソ protrusion or depression in the middle of an object
3
noun (common) (futsuumeishi) word usually written using kana alone center;centre;most important part;main point
Other forms 𦜝 【へそ】 (rarely used kanji form)

臍を噛むほぞをかむ

Expression Godan
English jmdict
1
expressions (phrasesGodan verb with 'mu' ending idiomatic expression to regret bitterly;to be very sorry (for);to bite one's navel
彼女は姑の気にさわるようなことを言わなければよかったと臍を噛んだ。
She bitterly regretted having said something that displeased her mother-in-law.
Other forms ほぞを噛む 【ほぞをかむ】 · 臍を噬む 【ほぞをかむ】 (rarely used kanji form)