Stone
/stˈoʊn/
Listen pronunciation
Definition
(noun) A hard earthen substance that can form rocks; especially, such substance when regarded as a building material.
Sentence Examples
"A rolling stone gathers no moss" is a proverb.
That way I kill two birds with one stone.
CEFR Practice Quiz
The old garden wall was built using large blocks of grey ____ that had been gathered from the field.