名词口号，流行语，（字典等每页上端的）标字; 渡字

1. 匹配码：catch word 匹配码 | catchword 匹配码 | catt log catt 记录

noun

1. a word printed at the top of the page of a dictionary or other reference book to indicate the first or last item on that page

Synonym: guide wordguideword

2. a favorite saying of a sect or political group

Synonym: mottosloganshibboleth