Sculling blade is a term used to describe an OAR, which is a long pole with a flat blade at one end that is used to propel a boat through the water. It is typically used in rowing, a sport where athletes use oars to move a boat across a body of water. The term sculling blade is often used to refer to the OAR used in the sport of sculling, which is a type of rowing where the athlete uses two oars, one in each hand.