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Meaning of 'tween

'tween

Pronunciation: (twēn), [key]
— prep.
  1. contraction of between.
—n.
  1. a youngster between 10 and 12 years of age, considered too old to be a child and too young to be a teenager.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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