The crossword solution for the term 'Coconut Custard PIE' is PIE, which is a three-letter word. Coconut custard PIE is a type of dessert that is made with a pastry crust and filled with a custard-like mixture of coconut milk, eggs, sugar, and other flavorings. It is often topped with whipped cream or toasted coconut flakes. The PIE is popular in many parts of the world, including the Caribbean, South America, and Southeast Asia.