嘈そう囃ざつConjugationMeanings1noun, noun or participle which takes 'suru'heartburn; sour stomachrare termRare term for heartburn or acid indigestion. Cross-referenced with 胸焼け (むねやけ), which is the common modern word. 嘈囃 is sometimes read むねやけ, but the standard reading is そうざつ.See also: 胸焼け古ふるい医い学がく書しょには「嘈そう囃ざつ」という語ごが胸むね焼やけの意