gangplank; gangway board
A board used as a temporary bridge between a ship and a pier, or between two vessels.
The crew set up a gangplank so the passengers could disembark onto the shore.
The gangplank had become slippery, so I walked carefully.
Standard kanji spelling.
Mixed kana-kanji spelling sometimes seen.
Compound of 渡り (wataru, 'to cross') + 板 (ita, 'board').