1) French word used in English 2) Turkish soldier 3) Turkish soldier of yore 
a follower or supporter
• (n.) A soldier of a privileged military class, which formed the nucleus of the Turkish infantry, but was suppressed in 1826.
Jan'i·za·ry noun ; plural Janizaries . [ French janissaire , from Turk. ye...i-tsheri new soldiers or troops.] A soldier of a privileged military class, which formed the nucleus of the Turkish infantry, but was suppressed in 1826. [ written also janissary .]