This is the 16713th most frequent Russian word.
склонение
Declension: the variation of nouns, pronouns, and adjectives to indicate case, number, and gender in Russian grammar.
In this sentence, 'склонение' refers to the grammatical modification of nouns depending on their case in Russian.
В русском языке существуют шесть падежей, изучение которых связано с изменением склонения существительных.
There are six cases in the Russian language, the study of which is related to the declension of nouns.
Here, 'склонения' represents the set of rules or forms applied to modify nouns in plural according to their grammatical case.
На уроке мы повторили склонения относительно множественного числа существительных.
In the lesson, we reviewed the declensions concerning plural forms of nouns.
In this example, 'склонение' indicates the specific morphological form of a noun in a particular grammatical case.