Stud is a surname. It is also synonymous with boisterous. Estoperol, piece of metal and coated fabric, hollowed-out which is used in upholstery and pastes of the books. Tache. Boiling liquid, boiling.
1.-Stud: dye that is boiling in the kettle. 2.-Stud: bun, fabric folding. 3.-Stud: piece of metal with various tasks and in the form of nail head serving to serve big books, especially those of choir covers.
It's a kind of knife used in the past.