DICT.TW Dictionary Taiwan

 catch·word /ˈkæʧˌwɚ/
 口號,標語,流行語,(字典等每頁上端的)標字

 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. 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.
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 catchword
      n : a favorite saying of a sect or political group [syn: motto,
           slogan, shibboleth]