跳はね橋ばし

noun

drawbridge

A bridge that can be raised or drawn up, typically over a moat or waterway.

• 城しろの入いり口ぐちには跳はね橋ばしがかかっている。

  A drawbridge spans the castle entrance.

noun

bascule bridge

A type of drawbridge with a counterweighted leaf that rises; a more technical term.

• この跳はね橋ばしはバスキュール橋きょうの一いっ種しゅです。

  This drawbridge is a type of bascule bridge.