Maritime Act Article 1
The term “ship” referred to in this Code shall denote any ship that navigate on the sea, or navigate on the surfaces of or in the waters accessible to the sea.
中文原文 海商法第1條
本法稱船舶者，謂在海上航行，或在與海相通之水面或水中航行之船舶。
English translation for reference only; the Chinese text prevails. Not legal advice.