Meaning of the word "cinder block" in English

What does "cinder block" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

cinder block

US /ˈsɪn.dər ˌblɑːk/
UK /ˈsɪn.də ˌblɒk/

Noun

a rectangular building block made from concrete and cinders, used in construction

Example:
The foundation of the shed was built with cinder blocks.
We stacked the cinder blocks to create a raised garden bed.