bullet train

Calque of Japanese 弾(だん)丸(がん)列(れっ)車(しゃ) (dangan ressha).

bullet train (plural bullet trains)

1. (rail transport) A Shinkansen train; a Japanese high-speed rail train.
2. (rail transport) Any high-speed train which resembles such a train.
3. (Can we verify⁽⁺⁾ this sense?) (informal) Suicide by small firearm.

   I should probably take the bullet train, and save her the grief.

• bullet-nose