Christogram

Etymology
, c. 1900, adopted from, in c. 1860 as portmanteau or abbreviation of the slightly older (1840s) and more formal compound , translating the. English literature before 1900 used compositional "Monogram of Christ" or the rare. . The plural Christograms is recorded in the 1950s and also rare.

Noun

 * 1) A monogram that forms an abbreviation for the name of Jesus Christ, traditionally used as a Christian symbol, such as the chi-rho.