HyperDic: [tween_decks

English > 1 sense of the expression *'tween decks*:
ADVERB	all	'tween decks, between decks	in the space between decks, on a ship

English > *'tween decks*: 1 sense > adverb 1
Meaning	In the space between decks, on a ship.
Synonym	between decks