The term SERVE COFFEE can be broken down into two crossword solutions: POUR and 4 letters. POUR is an action verb that means to move a liquid from one container to another, usually with a container such as a pitcher or a cup. This action is often used when serving coffee, as it involves pouring the hot liquid from a pot or carafe into a mug or cup. The 4 letters refer to the number of letters in the word POUR.