トライデント

noun

trident

Refers to the three-pronged spear, especially in Greek mythology (e.g., Poseidon's weapon).

• ポセイドンはトライデントを手てに海うみを支し配はいした。

  Poseidon ruled the sea with a trident in his hand.

noun

Trident missile

Specifically the submarine-launched ballistic missile system.

• トライデントミサイルは核かく抑よく止し力りょくの要かなめとされている。

  The Trident missile is considered a cornerstone of nuclear deterrence.