/ Dictionary / Index T 'tween: Meaning and Definition of Find definitions for: 'tween Pronunciation: (twēn), [key] — prep. contraction of between. —n. 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. See also: 'tween (Thesaurus) tweedy 'tween deck Related Content Daily Word Quiz: cur Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language