This is the 7699th most frequent Russian word.
заремы
The word "заремы" does not appear to have a standard definition in Russian; it may be a proper noun, a rare term, or a misspelling.
In this sentence, 'заремы' appears to be a proper noun in plural form referring to individuals (perhaps people named 'Zarema').
Заремы гуляли по берегу реки в солнечный день.
Zaremas were walking along the riverbank on a sunny day.
Here, 'заремы' is used similarly to the first sentence, where it could signify named entities in plural form.
Навстречу им двигались заремы, и они замерли от удивления.
Zaremas were moving towards them, and they froze in astonishment.
In this example, 'заремы' is used to imply recognition or fame of the referred individuals within a community.