Colibertus
A New Law Dictionary and Glossary · Alexander M. Burrill · 1850
A New Law Dictionary and Glossary
Colliberius, Conlibertus, (plur. COLIBERTI.) L. Lat. Coliberti, or coieberti^ are a class of inferior tenants mentioned in Domesday, whom Lord Coke considers to have been tenants in free socage by free rent.
Domeitday, cited in CowelL Co. Liu. 5 b, 86 a.
Cowell defines them also to be such as being villeins, were manumitted.