A garment such as is worn at a wedding ceremony or entertainment.(noun)
The Century Dictionary (Public Domain)
Use "wedding-garment" in a sentence
"The man who wants his wedding-garment to fit him must allow plenty of time for the measure."
"And when the king came in to see the guests, he saw there a man which had not on a wedding-garment: And he saith unto him, Friend, how camest thou in hither not having a wedding-garment?"
"The instant that he entered the festive hall the king saw there a man who had not on a wedding-garment."