The crossword solution for the term 'Wonderland Drink' is TEA, which is a three-letter word. TEA is a popular beverage that has been consumed for centuries and is made from the leaves of the Camellia sinensis plant. It is usually served hot or cold and can be flavored with various herbs, spices, and fruits. TEA is often associated with Alice in Wonderland, as it was the drink of choice for the Mad Hatter's TEA party.