Brit. <英>
- trademark a type of public address system〈商标〉天朗（一种扩音器的商标名）。
with obj.
1- transmit or announce over such a system用扩音系统广播：
the news was tannoyed one afternoon.
一天下午广播播出了这条新闻。
1.1
- call for (someone) using a tannoy system通过广播找（人）。
词源
1920s: contraction of tantalum alloy, which is used as a rectifier in the system.