Harry was so angry that the Daily Prophet article shook in his hands as he turned to stare unseeingly at the unicorn, whose many magical properties Professor Grubbly-Plank was now enumerating in a loud voice, so that the boys could hear too.
There are no more uses of "enumerate" in the book.
Show samples from other sources
She enumerated the many obstacles she had encountered
From memory, she can enumerate each classmate along with a distinguishing feature or two.