The word "tween" refers to someone who is between the ages of 10 and 12. It means they are no longer a child but not quite a teenager yet. Full definition
But it might have particular appeal for tween girls who love Harry and his Hogwarts adventures but secretly wish that Hermione was the one getting all the attention. (awfj.org)
In fact, many experts agree that the need is even greater for parents to stay connected to school during the so - called tween years. (ptotoday.com)
Combining creative full - color photos of tweens with basic information about the onset of puberty, this German import addresses kissing, body changes, safe sex, and dealing with unplanned pregnancy. (booklistonline.com)