/ Dictionary / Index T 'tween deck: Meaning and Definition of Find definitions for: 'tween' deck" Pronunciation: [key] — Naut. Naut. any space between two continuous decks in the hull of a vessel, as between a shelter deck and a freeboard deck. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. 'tween tweeny 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