Pronunciation: (bi-lông', -long'),[key] —v.i. 1. to be in the relation of a member, adherent, inhabitant, etc. (usually fol. by to): He belongs to the Knights of Columbus. 2. to have the proper qualifications, esp. social qualifications, to be a member of a group: You don't belong in this club. 3. to be proper or due; be properly or appropriately placed, situated, etc.: Books belong in every home. This belongs on the shelf. He is a statesman who belongs among the great. 4. belong to, a. to be the property of: The book belongs to her. b. to be a part or adjunct of: That cover belongs to this jar.