A person who binds books or works as a bookbinder.

A cover or holder for unbound papers, pages, etc.

Something that is used to bind things together, often referring to the mechanism that accomplishes this for a book.

(programming) A software mechanism that performs binding.

(computing) A program or routine that attaches malware to an existing harmless file on the target system.

A dossier.

(agriculture) A machine used in harvesting that ties cut stalks of grain into a bundle.

(chemistry) A chemical or other substance that causes two other substances to form into one.

(law) A down payment on a piece of real property that secures the payor the right to purchase the property from the payee upon an agreement of terms.

(chiefly Minnesota) A rubber band.

(LGBT) Material or clothing used in binding or flattening the breasts.

(molecular biology) A protein binder.

(UK, slang) One who whines or complains.