This is the 14113th most frequent Russian word.
омскую
"Омскую" translates to "Omsk's" or "of Omsk," referring to something related to the city of Omsk in Russia.
In this sentence, 'омскую' is used as an adjective in the accusative case, describing the feminine singular noun 'библиотеку'.
Я посетил омскую библиотеку.
I visited the Omsk library.
In this sentence, 'омскую' as an adjective describes the feminine singular noun 'природу' in the accusative case, used to specify natural aspects related to Omsk.
Они обсуждали омскую природу.
They were discussing Omsk nature.
Here, 'омскую' functions as an adjective in the accusative case, modifying 'культуру,' indicating relation to something from Omsk.