(often initial capital letter) a member of an elite military unit of the Turkish army organized in the 14th century and abolished in 1826 after it revolted against the Sultan.
2.
(often initial capital letter) any soldier in the Turkish army.
3.
a member of any group of loyal guards, soldiers, or supporters.
"elite Turkish infantry," 1520s, from Fr. janissaire, from It. giannizzero, from Turk. yenicheri, lit. "new troops," from yeni "new" + cheri "soldiery." Formed 1362 from slaves and prisoners of war, ranks filled over the years from tributary children of Christians, abolished 1826.