band definition
Definition of BAND. 1. : something that confines or constricts while allowing a degree of movement.2. : something that binds or restrains legally, morally, or spiritually. 3. : a strip serving to join or hold things together: as a: belt 2 b: a cord or strip across the back of a book to which the sections are sewn.4. something that confines or constricts while allowing a degree of movement. 2. : something that binds or restrains legally, morally, or spiritually. 3. : a strip serving to join or hold things together: as a: belt 2 b: a cord or strip across the back of a book to which the sections are sewn.