Great Roe Share definition Flag A mythological creature with the body of a lion and the head of a lion - though not the same lion. Invented by Woody Allen. I wonder if the Great Roe would have been defined sooner if JK Rowling had invented it. Great Roe by NOT Woody Allen January 5, 2010 0 0 Get merch Get the Great Roe mug. Buy Now — $32.95 See more merch