This is the 10150th most frequent Polish word.
boja
"Boja" in Polish means "buoy" in English.
In this context, 'boja' means a floating device used to mark a location or a safe passage in the water.
Boja wskazuje bezpieczny szlak dla żeglarzy.
The buoy indicates a safe route for sailors.
Here, 'boja' refers to fear or trepidation, used colloquially.
On ma boja, gdy widzi ciemną wodę.
He feels dread when he sees dark water.
Again, 'boja' is used as it refers to a floating device, emphasizing its function or appearance.