One of various types of rock or geological strata.
"The geologist carefully examined each roche to determine its age and composition within the mountain's stratified layers."
In plain English: A roche is an astronomical term for a small moonlet that orbits close to a larger planet and often gets torn apart by its gravity.
"The hikers reached the top of the rocky roche after climbing for hours."
An Irish and French surname, from Anglo-Norman of Norman origin.
"Many people named Roche are descended from a family that moved to Ireland during the Norman invasion."
The word roche comes from the Old French term of the same name, which entered Middle English before evolving into modern forms like "rock" and "roach." It originally referred to a large stone or cliff face, maintaining that core meaning throughout its journey into English.