词典释义：
释义
n.
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
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‘motivation' is a great catchword .“动力”是一个大家都爱用的时髦字眼。
a word printed or placed so as to attract attention
醒目的字。
【印刷】 〈主史〉 导字，渡字（印在前页末尾的次页首词）。