Kyūjitai form of 歯車 (“gear”)

hearse (Oxcart used as a hearse for nobles or the emperor in ancient Japan. The wheels had metal spokes that scraped them, producing a screeching resembling sad wailing.)

Synonym of 火車 (“fiery chariot that brings sinners to hell”)

(military) antitank

water truck, a vehicle designed to carry and spray water

excavator

a machine used for performing calculations; a calculator / computer

a vacuum cleaner

Kyūjitai form of 機会 (“opportunity”).

Clipping of 電子計算機 (denshi keisanki): computer