信しん号ごう炎えん管かん

noun

signal flare; fusee

A pyrotechnic device used for signaling, especially in railway or maritime contexts. The term is technical and not commonly used in everyday conversation.

• 鉄てつ道どう員いんは緊きん急きゅう時じに信しん号ごう炎えん管かんを使し用ようする。

  Railway workers use signal flares in emergencies.

• 信しん号ごう炎えん管かんは赤あかい炎ほのおを上あげて危き険けんを知しらせる。

  A signal flare emits a red flame to warn of danger.