of or having to do with any pope named Sixtus
Origin of SistineItalian Sistino ; from Sisto (; from Medieval Latin Sixtus, for Classical Latin Sextus, literally , sixth)
- Of or relating to any of the five popes named Sixtus, especially Sixtus IV (1414–1484; reigned 1471–1484) and Sixtus V (1520–1590; reigned 1585–1590).
- Of or relating to the Sistine Chapel in the Vatican.
Origin of SistineItalian sistino, from New Latin sixtīnus, from Medieval Latin Sixtus, the name of several popes, from Latin Sextus, Roman praenomen, from sextus, sixth; see Sext .