Dry deck

…Generally, several decks are installed in layers, but the most important is the topmost full-length deck, which is called the upper deck. The deck that is the standard for measuring the dry weight is called the dry weight deck, but this is usually the upper deck. In general merchant ships, if there is a superstructure above the upper deck, a superstructure deck is installed, and the forecastle deck is called the forecastle deck, and the poop deck is called the poop deck. …

*Some of the terminology used to refer to the "Kengen Deck" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…一般に，複数の甲板が層状に設けられるが，もっとも重要なのは最上層の全通甲板であり，これを上甲板という。乾玄を測る基準となる甲板を乾玄甲板というが，通常，上甲板がこれにあたる。一般商船で上甲板上に船楼が存在する場合には船楼甲板が設けられ，船首楼の甲板を船首楼甲板，船尾楼の甲板を船尾楼甲板と呼ぶ。…

※「乾玄甲板」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報