ジャンプ傘がさ

noun

auto-open umbrella; push-button umbrella

An umbrella that opens automatically with the press of a button, often spring-loaded.

• 雨あめが急きゅうに降ふってきたので、ジャンプ傘がさをさっと開ひらいた。

  It suddenly started raining, so I quickly opened my auto-open umbrella.