hot bed

American  

noun

Metalworking.

1. an area having rails or rolls on which rolled pieces are laid to cool.

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Etymology

Origin of hot bed

First recorded in 1620–30

Example Sentences

Seattle is not a hot bed of autonomous vehicle testing, but it has seen its fair share of robot cars.

From The Verge • Oct. 18, 2021

It's so interesting to me because California was also a hot bed of a lot of creative energy and yet, they seemed really alienated in Los Angeles.

From Salon • Nov. 23, 2018

Montana, for one, isn’t known as a hot bed of football talent.

From Seattle Times • Oct. 21, 2016

Anyone trawling food blogs might imagine today’s New Orleans as a hot bed of the well-coiffed artisanal dining world, teeming with ambitious mixologists and bunsen-burner-wielding chefs.

From The Guardian • Apr. 25, 2016

His hot bed smelled like a mushroom cellar.

From "Slaughterhouse-Five" by Kurt Vonnegut