Definition of belong to
1
: to be the property of (someone) : to be owned by
- The money belongs to him.
- The house belongs not just to her, but to her husband as well.
- His style belongs only to himself.
2
: to be a member of (a club, organization, etc.)
- The family belongs to a country club.
- Most of the company's employees belong to an HMO.
3
: to be included in (a category, group, etc.)
- What family does that bird belong to?
4
: to be a part of (something)
- the parts belonging to the clock
