WEBMar 27, 2024 · kan’on. For pronunciation and definitions of 機械 – see the following entry. 【 器械 きかい 】. [noun] 機械, 器械: [from 1850s] any powered mechanical device for performing work. [noun] 機械: a machine, equipment, an apparatus. [noun] 機械, 器械: [from 1520] ( archaic) a clockwork, a mechanism, especially one using ...