This is the 12164th most frequent Polish word.
marcowy
"Marcowy" means "March-related" or "of March."
In this example, 'marcowy' describes the evening, emphasizing the time of year it refers to, specifically in March.
Marcowy wieczór był niezwykle spokojny.
The March evening was incredibly calm.
Here, 'marcowy' modifies 'rain,' indicating that the rain is characteristic of or occurred in March.
Marcowy deszcz zrobił kałuże na drogach.
March rain created puddles on the roads.
In this sentence, 'marcowy' is used as an adjective to describe the walk, specifically pointing to the fact that it took place in March.