This is the 9026th most frequent Russian word.
рогачева
"Рогачева" is a proper noun, typically a Russian surname, and does not have a standalone meaning as a common noun in English.
Here, 'Рогачева' is used as a proper noun, presumably a surname, to identify a person.
Рогачева прочитала интересную лекцию по истории.
Rogacheva gave an interesting lecture on history.
In this hypothetical context, 'рогачева' might relate to antlered animals; adapt the exact meaning based on larger context.
В лесу мы нашли старый рогачева и удивились его хорошему состоянию.
In the forest, we found an old deer (contextually 'stag') and were surprised by its good condition.
Again, 'Рогачева' is applied as part of a proper noun, referencing an individual or family. This usage indicates ownership.