rock cut1
/ˈrɒk kʌt/noun
A railway or road cutting excavated through rock.
Origin
Mid 19th century. From rock + cut. Compare earlier rock-cut.
rock-cut2
/ˈrɒkkʌt/adjective
Cut from rock; built into excavated rock.
Origin
Mid 18th century; earliest use found in George Alexander Stevens (?1710–1784), actor and writer. From rock + cut.