The Oxford Classical Dictionary (OCD) is generally considered "the best one-volume dictionary on antiquity,"[1][2] an encyclopædic work in English consisting of articles relating to classical antiquity and its civilizations.
Continuously updated on a monthly basis, this edition incorporates all 6,300 entries from OCD4 (which are being updated on a rolling basis) as well as newly commissioned entries, and features multimedia content and freely accessible maps[4] of the ancient world.
[3][5] The OCD's over 6,400 articles[6] cover everything from the daily life of the ancient Greeks and Romans to their geography, religion, and their historical figures.
[7] The third edition (1996) was also available on CD-ROM, but it is partially incompatible with more recent versions of Windows and has not been revised or re-released.
[8] The new digital edition is accessible online to institutional and individual subscribers via the Oxford Research Encyclopedias.