Meaning of TWEEN in English

TWEEN

I. ˈtwēn preposition

Etymology: Middle English twene, short for betwene

Date: 13th century

: between

II. noun

Etymology: blend of be tween and teen (II)

Date: 1967

: preteen

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.