Tel·e·Promp·Ter (těl'ə-prŏmp'tər) A trademark used for a device employed in television to show an actor or a speaker an enlarged line-by-line reproduction of a script, unseen by the audience. This trademark often occurs in print in lowercase: "Although he was cheered loudly by most delegates, leftist hecklers and a faulty teleprompter gave him some anxious moments"(Chicago Tribune).