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1.
A computer term which is the mainboard of a computer system. The cpu, ram, hdd, video card, etc connect to it
what type of motherboard do u have?
I have a KT333 motherboard
by <(( ^_^ ))> August 01, 2003
 
2.
Something one should be very careful with.
Be careful with that motherboard, Stephen.
by Allen AYverson July 23, 2005
 
3.
The main commanding spaceship of the Zipconians.

see Zipcon
The motherboard will next be visiting Earth on #$%$#%$#%#%#.
The actual dates and times are CLASSIFIED!!!!!
by Zipconian Kane May 08, 2004