decemvirate

The five that had already fallen when John received the vision were the regal power, the consular, the decemvirate, the military tribunes, and the triumvirate.

From The Last Reformation by F. G. (Frederick George) Smith

But they soon threw off the mask of moderation, and, regardless of the approbation of the senate or the people, resolved to continue, against all order, in the decemvirate.

From Pinnock's improved edition of Dr. Goldsmith's History of Rome to which is prefixed an introduction to the study of Roman history, and a great variety of valuable information added throughout the work, on the manners, institutions, and antiquities of the Romans; with numerous biographical and historical notes; and questions for examination at the end of each section. By Wm. C. Taylor. by William Pinnock

When the second year of the decemvirate expired, Appius and his colleagues, knowing that they could not be elected again, showed no intention of yielding up their authority.

From Historic Tales, Volume 11 (of 15) The Romance of Reality by Charles Morris

The decemvirate instituted at Rome; the Twelve Tables of law framed.

From The Great Events by Famous Historians, Volume 02 (From the Rise of Greece to the Christian Era) by Charles F. (Charles Francis) Horne

At the end of the first year, the task of the board was quite far from being finished, so a new decemvirate was elected to complete the work.

From General History for Colleges and High Schools by Philip Van Ness Myers