This is the 10345th most frequent Russian word.
бутерброд
An open-faced sandwich or bread with toppings.
The word "бутерброд" here refers to a food item commonly eaten as a light meal or snack, typically a sandwich.
Я съел бутерброд на завтрак.
I ate a sandwich for breakfast.
The word "бутерброд" in this sentence specifies a sandwich made with particular ingredients, offering context to its preparation.
У него был бутерброд с сыром и ветчиной.
He had a sandwich with cheese and ham.
In this example, "бутерброды" implies a selection of sandwiches, indicating a common choice for portable meals during outings.