smokebox

A chamber in which smoke passes from a boiler before being vented through a chimney.

Japanese Meaning

ボイラーから出た煙が煙突に排出される前に通過する部屋や室内空間

The engineer opened the smokebox to clear the soot that had accumulated after the long journey.

機関士は長旅でたまったすすを取り除くため、ボイラーの煙が煙突に出る前に通る煙室を開けた。

Sense（1）

A chamber in which smoke passes from a boiler before being vented through a chimney.

smokeboxes

（ plural ）