noun
drawbridge
A bridge that can be raised or drawn up, typically over a moat or waterway.
城の入口には跳ね橋がかかっている。
A drawbridge spans the castle entrance.
この跳ね橋はバスキュール橋の一種です。
This drawbridge is a type of bascule bridge.
Compound of 跳ね (hane, 'springing up', from 跳ねる haneru) + 橋 (hashi, 'bridge'). The hashi changes to bashi due to rendaku.