canon: a priest who is a member of a cathedral chapter

doublet: a close-fitting jacket worn by men in the 15th - 17th centuries

fulling mill: a mill to full, or cleanse, cloth

mercer: a dealer in fabrics and cloth

pipe stave: I believe that this is a piece of wood used to make a small barrel.

prebendary: a canon receiving a stipend from and playing an administrative role at a cathedral

ye: the word "the" was at one time written as "þe". The letter "þ" is referred to as a "thorn" and still survives in Icelandic. Later, the " þ" was written as a "y". The word "ye" was pronounced as "the".