This is the 5971st most frequent Russian word.
семьями
"Семьями" means "in families" or "by families" in English.
The word 'семьями' is instrumental plural, indicating that multiple families participated together.
Мы собрались семьями на пляже для пикника.
We gathered as families on the beach for a picnic.
Here, 'семьями' emphasizes that the activity is done with families, highlighting how groups are formed.
На субботние прогулки они всегда ходят семьями.
On Saturday walks, they always go as families.
In this context, 'семьями' underscores the mode of travel, indicating that the groups consist of families.