Proper noun. 1  The shortened name of Pixar Animation Studios, a computer-generated imagery (CGI) animation company that created such hit movies as Toy Story, A Bug's Life, and The Incredibles. The shortened name of Pixar Animation Studios, a computer-generated imagery (CGI) animation company that created such hit movies as Toy Story, A Bug's Life, and The Incredibles. 2  Link/Cite.