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The lowest deck of a ship, especially a warship, having at least four decks.

[Middle English overlop, floor covering a ship's hold, from Middle Low German overlōp : over, over; see uper in Indo-European roots + lōp, a running.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈɔːlɒp) or

orlop deck

(Nautical Terms) nautical (in a vessel with four or more decks) the lowest deck
[C15: from Dutch overloopen to run over, spill. See over, leap]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈɔr lɒp)

(in a ship) the lowermost of four or more decks above the space at the bottom of a hull. Also called or′lop deck`.
[1375–1425; late Middle English overloppe < Middle Dutch over-loop covering]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.orlop - the fourth or lowest deckorlop - the fourth or lowest deck    
deck - any of various platforms built into a vessel
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