This is the 7266th most frequent Russian word.
волочаевская
"Волочаевская" refers to something related to "Volochaevka," a geographic location in Russia or a historical event tied to it.
"Волочаевская" refers to the name of the street, acting as an adjective form derived from the place name.
Сегодня я прогуливался по Волочаевской улице.
Today I walked along Volochaevskaya Street.
"Волочаевской" modifies "остановке" to specify the particular bus stop.
На Волочаевской остановке мы подождали автобус.
At the Volochaevskaya stop, we waited for the bus.
"Волочаевская" describes the battle, indicating that it is named after Volochaevka.