1. ring binders or folders used to hold and organize papers
2. substances that hold other materials together
Usage: technical
3. people who bind books or other materials

Examples

• She organized her class notes in colorful three-ring binders.
• The students bought new binders for the school year.
• Cement contains binders that help hold the mixture together.
• The paint manufacturer uses special binders to improve adhesion.
• Professional binders restored the antique books.
• He kept his baseball cards in protective binders.
• The recipe called for egg as a binder for the meatballs.