sha·war·ma 
(shə-wärmə) also shwar·ma (shwär-)
(shə-wärmə) also shwar·ma (shwär-)n.
Meat, especially beef, chicken, or lamb, that is marinated, roasted slowly on a spit, and cut in thin slices, often wrapped in pita bread and served with various vegetables and tahini sauce.
[Arabic šāwurma, šāwirma, from Turkish çevirme, a turn (as on a spit), meat roasted on a spit, from verbal n. of çevirmek, to turn, from Old Turkic çevürmek, perhaps alteration of earlier tevirmek.]