1. [usually pl.] the part of a ship's side above the waterline
2. on or to an upper deck or the main deck of a ship
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.