to defend in a fort; to garrison / to stay at home, or in one's own room for a period of time

training in seclusion on a mountain

to train in seclusion on a mountain

a place name, such as that of Tottori Prefecture or Tottori City

fondue pot

match (device to make fire)

Kyūjitai form of 火薬

(Buddhism) a fiery chariot that brings sinners to hell; by extension, a form of torture using this vehicle / a burning fire in the shape of a wheel / Short for 火車婆 (kasha-baba): a powerful, evil old hag

boiler / furnace

(Internet slang) Firefox (web browser)