CATCHWORD
motto, slogan, catchword, shibboleth
(noun) a favorite saying of a sect or political group
Source: WordNet® 3.1
Etymology
Noun
catchword (plural catchwords)
(printing, historical) A word under the right-hand side of the last line on a book page that repeats the first word on the following page.
A word or expression repeated until it becomes representative of a party, school, business, or point of view.
Among theatrical performers, the last word of the preceding speaker, serving as a cue for the next speaker.
Synonyms
• (word under right-hand side): guide word
• (word repeated to become representative): watchword
Source: Wiktionary
Catch"word`, n.
1. Among theatrical performers, the last word of the preceding
speaker, which reminds one that he is to speak next; cue.
2. (Print.)
Definition: The first word of any page of a book after the first, inserted
at the right hand bottom corner of the preceding page for the
assistance of the reader. It is seldom used in modern printing.
3. A word or phrase caught up and repeated for effect; as, the
catchword of a political party, etc.
Source: Webster’s Unabridged Dictionary 1913 Edition