E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
A sort of gipsy race in Poitou, Maine, and Anjou, similar to the Cagots of Gascony and the Caqueux of Brittany. In feudal times a collibert was a serf partly free, but bound to certain services. (Latin, col-libertus, a fellow freedman.)