Decembrist \De*cem"brist\, n. (Russian Hist.)
One of those who conspired for constitutional government
against the Emperor Nicholas on his accession to the throne
at the death of Alexander I., in December, 1825; -- called
also {Dekabrist}.
He recalls the history of the decembrists . . . that
gallant band of revolutionists. --G. Kennan.
[Webster 1913 Suppl.]