This is the 8888th most frequent French word.
calmes
"Calmes" means "calm" or "quiet" in English.
In this sentence, 'calmes' is used as an adjective describing the children ('enfants'), agreeing in number and gender with them.
Les enfants sont calmes aujourd’hui.
The children are calm today.
Here, 'calmes' serves as an adjective modifying the subject 'Nous', corresponding to the plural masculine/feminine form in agreement with the subject.
Nous restons calmes malgré la situation.
We remain calm despite the situation.
'Calmes' is used as an adjective to describe 'eaux', indicating the peaceful and still nature of the waters during the summer months.