Definitions:

1. executed with proper legal authority adjective
   • a binding contract
2. one of a pair of mechanical devices that are attached to a ski and that will grip a ski boot noun
   • the bindings should release in case of a fall
3. the protective covering on the front, back, and spine of a book noun
   • the book had a leather binding

Synonyms:

• cover
• dressing
• ski binding