catchword
/ˈkætʃwɜːd/noun
1
- a word or phrase, used to encapsulate a particular concept, which is briefly popular or fashionable（概括性的）时髦话, 流行语：
'motivation' is a great catchword.
“动力”是一个大家都爱用的时髦字眼。
2
- a word printed or placed so as to attract attention醒目的字。
2.1
- Printing, chiefly historical the first word of a page given at the foot of the previous one【印刷】〈主史〉 导字, 渡字（印在前页末尾的次页首词）。