Definitions for labarumˈlæb ər əm; -ər ə
Random House Webster's College Dictionary
lab•a•rumˈlæb ər əm; -ər ə(n.)(pl.)-a•ra
the military standard of Constantine the Great and later Christian emperors of Rome, bearing Christian symbols.
Category: Ancient History, Western History
Origin of labarum:
1650–60; < LL; of obscure orig.
The Roman military standard adopted by Constantine I. The banner was known for its Christian chi-rho sign - u2627.
Origin: From labarum, from .
the standard adopted by the Emperor Constantine after his conversion to Christianity. It is described as a pike bearing a silk banner hanging from a crosspiece, and surmounted by a golden crown. It bore a monogram of the first two letters (CHR) of the name of Christ in its Greek form. Later, the name was given to various modifications of this standard