labarum
labarum definition
laba·rum (lab′ə rəm)
noun pl. labara -·ra (-rə)
the royal cavalry standard carried before the Roman emperors in war, esp. that first carried by Constantine, the first emperor to adopt Christianity: it usually bore the first two letters (XP) of the Greek Christos (Christ)
Etymology: LL (> LGr labaron) < ?
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