cassock

noun

Etymology: From Middle French casaque (“cloak”).

1. An item of clerical clothing: a long, sheath-like, close-fitting, ankle-length robe worn by clergy members of some Christian denominations.

   “It was a joy to snatch some brief respite, and find himself in the rectory drawing–room. Listening here was as pleasant as talking; just to watch was pleasant. The young priests who lived here wore cassocks and birettas; their faces were fine and mild, yet really strong, like the rector's face; and in their intercourse with him and his wife they seemed to be brothers.”

   “In one of the aisles there was an elaborately carved confessional box and I recognised the village priest in his heavy mountain boots and black cassock as he entered it and drew the dark velvet curtains behind him.”

2. A military cloak or long coat worn by soldiers or horsemen in the 16th and 17th centuries.
3. A coarse, loose cloak or gown, worn by women, sailors, shepherds, countryfolk etc.