This is the 701st most frequent Slovenian word.
velikem
The Slovenian word "velikem" is the locative or dative singular form of "velik," meaning "big" or "large" in English.
Here, "velikem" is an adjective in locative case modifying "polju", describing it as large and located somewhere, fitting the grammatical context.
Na velikem polju rastejo čudovite rože.
In the large field, beautiful flowers grow.
In this sentence, "velikem" also functions as an adjective in the locative case, describing "odru" as big, and its grammatical form agrees with the noun it modifies.
Veselim se dogodka na velikem odru.
I am excited about the event on the big stage.
Here, "velikem" is used as an adjective again, in the locative case, to modify "kavču", indicating its size and spatial context.