This is the 8252nd most frequent Polish word.
oława
Oława is a town in southwestern Poland.
In this sentence, 'Oława' is used as a proper noun referring to the name of a city in Poland.
Odwiedziłem niedawno miasto Oława w Polsce.
I recently visited the city of Oława in Poland.
Here, 'oława' is used as a common noun meaning a shallow area in a river often used as a crossing.
Czy słyszałeś o wyprawie na oława w górach?
Have you heard about the trip to the river ford in the mountains?
In this context, 'oława' also takes the meaning of a river crossing, emphasizing its historical usage.