A light meal made by placing fillings between two slices of bread; portable and commonly eaten for breakfast, lunch, or as a snack.
昼ごはんにサンドイッチを買って公園で食べた。
I bought a sandwich for lunch and ate it in the park.
野菜と卵のサンドイッチが一番好きだ。
I like vegetable and egg sandwiches the most.
ピクニック用にサンドイッチを何種類か作った。
I made several kinds of sandwiches for the picnic.