cinder block

noun

: a hollow rectangular building block made of cement and coal cinders

Examples of cinder block in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Its heavy-duty mechanical hinges and titanium-alloy limbs can smash through cinder blocks—for industrial use or rescue scenarios, one hopes. — Amanda Loudin, Time, 15 Oct. 2026 Miami police are investigating an animal cruelty case after a dog was found dead underwater, tied to two cinder blocks in waters off Coconut Grove. — Chelsea Jones, CBS News, 14 Oct. 2026 Earlier this month, one of those men had a hearing inside a small cinder block courtroom in Rowan County, almost an hour away from Charlotte. — Julia Coin october 1, Charlotte Observer, 1 Oct. 2026 Conley’s double-wide trailer in Kentucky is elevated on cinder blocks. — Michael Phillis, Los Angeles Times, 30 Sep. 2026 See All Example Sentences for cinder block

Word History

First Known Use

1922, in the meaning defined above

Time Traveler
The first known use of cinder block was in 1922

Browse Nearby Words

Cite this Entry

“Cinder block.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cinder%20block. Accessed 23 Oct. 2026.

Kids Definition

cinder block

noun
: a building block made of cement and coal cinders
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster