labarum
noun
lab·a·rum
ˈla-bə-rəm 
: an imperial standard of the later Roman emperors resembling the vexillum
especially
: the standard bearing the Chi-Rho adopted by Constantine after he converted to Christianity
Cite this Entry
“Labarum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/labarum. Accessed 31 Oct. 2025.
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