This is the 8619th most frequent Russian word.
орловский
"Orlovsky" means "relating to Oryol" (a city in Russia) or "of Oryol."
This sentence uses 'орловский' as an adjective that relates something to the region or city of Oryol, describing a particular forest located there.
Орловский лес славится своей красотой.
The Oryol forest is famous for its beauty.
Here, 'орловскую' describes a specific breed of horses that originated from the Oryol region, showing how the term can be related to a patented or special product of the area.
Она купила орловскую породу лошадей.
She bought the Oryol horse breed.
'Орловский' in this context designates a university named after or located in the Oryol region or city, providing identity to an educational institution.