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 sixt&imacron;nus, from Medieval Latin Sixtus, the name of several popes, from Latin Sextus, Roman praenomen, from sextus, sixth; see sext.