(noun)
a visual reproduction, depiction, or representation of something;
e.g. The child's rendition of the planets was very colorful.
(noun)
an interpretation or translation of an element of language or a piece of text;
e.g. He is working on the rendition of an ancient text into English.
(noun)
in American legal usage, the practice of secretly sending a foreign fugitive/suspected criminal to a different country so that they can be subject to more humane treatment and more lenient regulations, or the practice of surrendering a criminal to the state in which they are charged;
e.g. The foreign criminal is scheduled for rendition to be charged for his crimes.