'tween

[ tween ]

/ twin /

contraction of between.

Also tween, tweeny. a youngster between 10 and 12 years of age, considered too old to be a child and too young to be a teenager.

Origin of 'tween

1250–1300; Middle English twene, aphetic variant of atwene (see a-¹) or betwene between

't, 'til, 'tis, 'tude, 'twas, 'tween, 'tween deck, 'twere, 'twill, 'twixt, 'twould

'tween

/ (twiːn) poetic, or dialect /

between