dressclothes
nounUK /ˈdrɛs kləʊðz/
US /ˈdrɛs kloʊðz/
Nice clothes you wear for special times.
She put on her dressclothes for the wedding.
OTHER MEANINGS
2. Clothing worn for a formal or official occasion.
The guests arrived in dressclothes for the ceremony.
3. Clothes that are fancier than what you wear every day.
He packed dressclothes for the fancy dinner.
4. Special outfits worn for work or ceremonies.
The soldiers wore their dressclothes for the parade.