dinner bell

noun — 2 senses

dinner bell

noun
1

A bell which, when rung, indicates it is dinnertime.

2

Figuratively, Uncommon A signal or announcement of a specific event or opportunity, acting as a clear invitation or notification for people to gather or respond.

Derived terms
monkey's dinner bell

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.