The term PADDLE COUSIN is composed of two crossword solutions, OAR and 3 letters. OAR stands for a long pole with a flat blade at one end, used for propelling or steering a boat through the water. It is often used in canoeing, kayaking, and other water sports. The 3 letters refer to a type of boat that is related to the paddle, known as a paddle cousin. This type of boat is propelled by paddles instead of oars, and is typically used in shallow waters.