1a performance or interpretation, especially of a dramatic role or piece of music:a wonderful rendition of ‘Nessun Dorma’
a visual representation or reproduction:a pen-and-ink rendition of Mars with his sword drawn
a translation or transliteration:‘Iroquois’ is a French rendition of an Algonquian word for ‘rattlesnake’
2 (also extraordinary rendition) [mass noun] (especially in the US) the practice of sending a foreign criminal or terrorist suspect covertly to be interrogated in a country with less rigorous regulations for the humane treatment of prisoners.
early 17th century: from obsolete French, from rendre 'give back, render'
rendition in other Oxford dictionaries
Definition of rendition in the US English dictionary