roadstone

Etymology

From road + stone.

roadstone means any type of stone or stone product, such as shingle, flints, crushed stone, etc used as a construction material for building roads. Lexicurio rates it Sui generis — a strength score of 89 out of 100.

noun

Any type of stone or stone product, such as shingle, flints, crushed stone, etc used as a construction material for building roads.