noun
flat peach; donut peach; Saturn peach
Refers to the flat variety of peach (Prunus persica var. platycarpa), known for its squat shape. Common in Japanese fruit shops and seasonal fruit talk.
今年はバントウが甘くておいしい。
This year the flat peaches are sweet and delicious.
スーパーで珍しいバントウを見つけた。
I found some unusual flat peaches at the supermarket.
桃 is the general word for peach; バントウ specifically refers to the flat, donut-shaped variety.
From Chinese 蟠桃 (pántáo), referring to the flat peach of Chinese mythology and cultivation. The Japanese reading ばんとう is the on'yomi of the kanji.