Noun

(en noun)

A piece of celluloid on which has been drawn a frame of an animated film.

* {{quote-news, year=2008, date=June 22, author=Michael Hirschorn, title=Success Story 2, work=New York Times citation

, passage=After Jobs’s $5 million offer was rejected, the team attempted to do a deal with Disney , then a bastion of hand-painted cel animation.}}