The crossword solution for the term 'KEY LIME, E.G.' is PIE, a 3 letter word. Key lime PIE is a classic American dessert made with key limes, which are small, tart limes that are native to the Florida Keys and other parts of the Caribbean. The PIE is made with a graham cracker crust and a filling of sweetened condensed milk, egg yolks, and key lime juice. It is usually topped with meringue or whipped cream.