We were told that our definition should include some actual dancing - and that the best presentation/dance, per tutorial, would win a copy of Iris' book.
As it's week 12, and there are lots of assignments due, I knew I wouldn't have time to choreograph or practice a dance, so I decided I wouldn't go for the challenge.
But the idea of defining dance (in a creative way) kept on floating around in the back of my head, and this is what I came up with.