The crossword solution for the term GIVE A LINE TO is CUE. CUE is a verb that means to give a signal or prompt to someone, usually in the form of a word or phrase. It is often used in theater and film to indicate when an actor should begin speaking or performing a certain action. It can also be used in other contexts, such as when a teacher cues a student to answer a question or when a speaker cues an audience to applaud.