Noun
a sandglass that runs for three minutes; used to time the boiling of eggs
Source: WordNetegg-timer
A bad date that seems to last forever can be pulled into a great yarn, but when it ends with the egg timer chirping that your quarter hour is up, it kinda loses its punchline. Source: Internet
Who wants to have their life controlled by an egg timer? Source: Internet
The interview subjects in the film—family, friends, and colleagues—recall how Rogers once filmed an egg timer just to teach the children watching how long a minute was. Source: Internet
To show what a minute was, he patiently let an egg timer tick it off. Source: Internet