tweener
noun /ˈtwiːnə(r)/
/ˈtwiːnər/
(informal)- (especially British English) (also tween, tweenager (British and North American English))a child between the ages of about 10 and 12
- (North American English) a person or thing that is between two categories, classes or age groups
- The film is a tweener, neither indie nor mainstream.
- These youngest baby boomers are a lost generation of tweeners.