This volume serves as a specialized lexicographical resource designed to document the evolution and specific usage of Latin vocabulary within British medieval texts. Compiled by R. E. Latham, this fascicule provides a rigorous academic framework for scholars and historians to interpret Latin documents produced in Britain between the fifth and sixteenth centuries. By focusing on the letter 'C', the work offers precise definitions and contextual citations that clarify the linguistic nuances of the period. The dictionary functions as a foundational reference tool for those analyzing primary source materials from the Middle Ages.

Scholars and historians frequently cite this series as an indispensable resource for the study of medieval British Latinity. Experts highlight the meticulous research and academic density of the entries, noting that it remains a standard reference work for researchers in the field.