This is the 5682nd most frequent French word.
casques
"Casques" means "helmets" in English.
In this sentence, 'casques' refers to protective headgear worn by workers to ensure safety while performing tasks in potentially hazardous environments.
Les ouvriers portent des casques pour leur sécurité.
Workers wear helmets for their safety.
Here, 'casques' indicates audio headphones, specifically wireless ones, used for listening to music or other audio content.
J'ai acheté des casques sans fil pour écouter de la musique.
I bought wireless headphones to listen to music.
In this instance, 'casques' describes historical headgear, specifically the decorated helmets worn by knights in medieval times during battles or ceremonial events.