This is the 15937th most frequent Polish word.
topoli
"Topoli" is the genitive singular or nominative plural form of "topola," which means "poplar" (a type of tree) in Polish.
Here, 'topoli' is used in plural nominative form as the subject of the sentence, indicating the trees.
Stare topoli stoją na brzegu jeziora.
Old poplars stand on the shores of the lake.
In this context, 'topoli' is in plural genitive form, indicating 'of poplars' after a numerative context or specificity of mention.
Widzę kilka topoli z mojego okna.
I see several poplars from my window.
Here, 'topoli' is in singular genitive form used after 'in the shade of', showing indirect possession.