any space between two continuous decks in the hull of a vessel, as between a shelter deck and a freeboard deck.
Weasel Words And Other Ways We Avoid Telling The TruthMost of us know what the word lying means, but what happens when someone carefully skirts the truth instead of telling a bold-faced whopper? Politicians, in particular, are well known for making use of equivocal language as a way of hiding their true actions.
Origin of 'tween deck
First recorded in 1810–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for 'tween deck
nautical a space between two continuous decks of a vessel
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012