гостей

гостей

"Гостей" means "guests" (genitive or accusative plural form of "гость").

Here, 'гостей' is the genitive plural form of 'гость', used with the preposition 'для' to indicate 'for whom' the dinner was prepared.

Мы приготовили ужин для гостей.

We prepared dinner for the guests.

In this example, 'гостей' is used in the genitive plural case, functioning with the word 'много' to express 'many of something.'

Вчера у нас было много гостей.

Yesterday we had many guests.

Here, 'гостей' serves as the accusative plural form of 'гость', indicating the direct object of the verb 'встретил'—the individuals who were met.

Я встретил гостей у дверей.

I met the guests at the door.