Expressions (phrases, clauses, etc.), Noun
1. roundworm (Ascaris lumbricoides); mawworm; intestinal worm
Expressions (phrases, clauses, etc.), Noun
2. feelings that influence one's moodSee also 腹の虫が治まらない Expressions (phrases, clauses, etc.), Noun
3. stomach growlingSee also 腹の虫が鳴る