柯林斯詞典motherboard /?m?e??b??d/ (motherboards) 1. N-COUNT In a computer, the motherboard is the main electronic circuit board to which the microchips that perform important functions are attached. 母板; 底板 返回 motherboard劍橋詞典the main printed circuit board that contains the CPU of a computer and makes it possible for the other parts of a computer to communicate with each other 主板,裝配板 返回 motherboard