硬こう式しき飛ひ行こう船せん

noun

rigid airship

A type of airship with a rigid framework, as opposed to a blimp or semi-rigid airship.

• 硬こう式しき飛ひ行こう船せんは、ツェッペリンが有ゆう名めいだ。

  The Zeppelin is a famous rigid airship.