lower deck

[ loh-er ]
/ ˈloʊ ər /

noun Nautical.

the lowermost deck in a hull having two or three decks.
the deck next above the lowermost, or orlop, deck in a hull having four or more decks.

Origin of lower deck

First recorded in 1700–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for lower deck

British Dictionary definitions for lower deck

lower deck

noun

the deck of a ship situated immediately above the hold
informal the petty officers and seamen of a ship collectively
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