主機

main engine / (military) lead aircraft / (computing) host computer / main processor / server

owner / master / host / individual or party concerned / God / Lord / main / to indicate or signify / trump card (in card games)

(bound form) machine; mechanism / (bound form) aircraft / (bound form) an opportunity / (bound form) crucial point; pivot / (bound form) quick-witted; flexible / (bound form) organic

video game console

hostname (of a networked computer)

motherboard