What is the name of the figure consisting of a slow revolution around longitudinal axis? "An airplane performing one slow revolution around its longitudinal axis is performing one of these..."

This was a clue on Jeopardy today. The contestant responded with, "What is a barrel roll?" which I contend is incorrect. But he earned $2000 for it. 

My response would have been: "What is an aileron roll?" Is he correct, am I correct, or are we both correct?
What is an Aileron Roll?



You are correct, but should we really expect that level of precision from the entertainment business or the media?