This reference is from an online program published by Princeton University called Worldnet 3.0. I found it at dictionary.com.
custom
adjective
1. made according to the specifications of an individual [syn: custom-made] [ant: ready-made]
I'm not sure I want to re-enter the debate--not sure have the energy for it. I just wanted to illustrate that Nathan and I have some academic support as well.
Please note also that 'custom-made' is indeed a synonym of 'custom' and when looked up by itself, carries the exact same definition. This would seem to render the idea of assigning a separate definition for this term mute.
It's your barbeque. I just thought I'd bring some food for thought