tap bell

American  

noun

1. a signal bell giving a single ring, as one announcing the approach to a certain floor of an elevator.

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Example Sentences

From New Orleans, weather anchor Sam Champion voiced warm wishes, as did co-anchor George Stephanopoulos from the Republican National Convention in Tampa, Fla. He had left behind a gift for Roberts: a tap bell.

From Seattle Times

Every student is expected to be in his place and be ready for work on his studies, before the tap bell is heard at 8:00 a. m.,

From Project Gutenberg