firestop

[fahyuhr-stop]

noun

1. any object built into a building frame to block a concealed hollow space through which a fire might pass from one part of the building to another.

Word History and Origins

Origin of firestop¹

An Americanism dating back to 1895–1900; fire + stop

Example Sentences

CST Monday through Friday or visit www.stovetopfirestop.com and click on “StoveTop FireStop Microhood Safety Notice” at the bottom of the page for more information.

Read more on Washington Times