noun
the main circuit board for a computer
• Syn: ↑mother board
• Hypernyms: ↑circuit board, ↑circuit card, ↑board, ↑card, ↑plug-in, ↑add-in
• Part Holonyms: ↑central processing unit, ↑CPU, ↑C.P.U., ↑central processor, ↑processor, ↑mainframe
Useful english dictionary. 2012.