This is the 3130th most frequent Russian word.
кровати
The Russian word "кровати" means "beds" in English (plural form).
Here, 'кровати' is used in the prepositional case, indicating location (on the bed).
На кровати лежала большая подушка.
There was a large pillow lying on the bed.
In this sentence, 'кровати' is in the plural nominative form, representing multiple items (beds).
Они купили кровати для новой квартиры.
They bought beds for the new apartment.
'Кровати' here is in the gentive case, indicating possession ('the edge of the bed').