Refers to small tomato varieties, typically eaten raw in salads or as a snack. The term is a wasei-eigo coinage from English 'mini' + 'tomato'.
wasei-eigo (Japanese-coined English), from mini tomato
サラダにミニトマトをたくさん入れた。
I put a lot of cherry tomatoes in the salad.
このミニトマトは甘くておいしい。
These cherry tomatoes are sweet and delicious.
Variant with interpunct; less common but seen in some packaging or menus.
Wasei-eigo (Japanese-made English) from 'mini' + 'tomato'. Not a direct borrowing from English 'cherry tomato'.