Definitions for "Tween"
Keywords:  teenager, teens, preteen, anymore, kid
(or preteen) Used for children just before their teens, "be tween " childhood and being teenagers, roughly 8-12 years of age.
a child who is approaching their teens but isn't there yet
a kid who is not yet a teenager, but too big to be a little kid anymore
Short for in-betweening. Actually, in Macromedia Flash for example, the process of generating intermediate frames between two images to give the appearance that the first image evolves smoothly into the second image.
Keywords:  femme, butch, role, switch, take
one who is in between butch and femme, and can take on either role; a switch