Noun
(science fiction) The thinking part of a sentient car.
Alternative form of car brain (“a supposed condition suffered by someone who believes in the superiority of cars as a means of transport, at the expense of bicycles and public transit.”)
Source: en.wiktionary.org‘Cumbernauld High’ has been the name accepted by the communities of the Village, Kildrum, Seafar, Carbrain, Dullatur, Carrickstone and Ravenswood for 50 years. Source: Internet