Academic dress or academical dress (also identified in the United States as academic regalia and on occasion as academicals) is customary clothing worn particularly in academic setting - mostly tertiary but also, to a smaller extent, secondary education. Contemporarily, it is more frequently seen only on graduation ceremony, but previously academic dress was, and to a smaller degree in a lot of ancient universities still is, worn on a on a daily basis. Nowadays the ensemble usually consists of a gown (also called as a "robe") with a separate hood, and typically a cap. Academic dress is also worn by associates of certain learned societies and organizations as official dress.
British Academic Costume
There is a difference between different types of academical clothing. Most recently, gowns, hoods also caps are categorized into their form and patterns by what may be recognized as the Groves Categorization of Academic Dress, which is based on Nicholas Groves's paper, Hood as well as Gown Patterns. These shows the different styles or patterns of academic dress and assign them a code or a Groves Categorization Number.
Academic dress or academical dress (also identified in the 
