跳ちょう開かい橋きょう

noun

bascule bridge; drawbridge

Technical term for a bridge with a movable span that lifts to allow water traffic. 跳開橋 specifically refers to a bascule bridge (counterweighted leaf), but is sometimes used loosely for drawbridges in general.

• この跳ちょう開かい橋きょうは、大おお型がた船せんが通とおるときに上あがる。