The term 'A Stabilizer for a Canoe' can be broken down into three crossword solutions: KNEE (4 letters), KEEL (4 letters), and BALLAST (7 letters). A KNEE is a piece of wood or metal that is used to brace the sides of a canoe, providing stability. A KEEL is a long, thin fin that runs along the bottom of the canoe, helping it to stay upright in the water. BALLAST is a heavy material, such as rocks or sand, that is placed in the bottom of the canoe to help keep it balanced. All three of these solutions work together to provide a stable platform for a canoe.