catchword

noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about catchword at Wordnik → Where our words come from →

1. A word at the end of a book page that repeats the first word from the following page. (Such words served as aids to the bookbinder (to check rapidly for correct placement of leaves) and were also viewed by some readers as aids to smooth reading.) .mw-parser-output .defdate{font-size:smaller}
2. A word or expression repeated until it becomes representative of a particular group or time; a slogan or buzzword.
3. The last word of a speech, serving as a cue for the next speaker.