A pagliaccio or pierrot was a shirt based upon the shirt worn by a late 16th century Italian clown. The pagliaccio was a loose, white shirt with a deep ruffle at the neck and large buttons, the sleeves were very flared and full. Found on http://www.probertencyclopaedia.com/browse/PP.HTM
1) Clown 
A pagliaccio or pierrot was a shirt based upon the shirt worn by a late 16th century Italian clown. The pagliaccio was a loose, white shirt with a deep ruffle at the neck and large buttons, the sleeves were very flared and full.