# rimrock

> English word · Noun

## Definitions
1. An outcrop of hard rock, often in the form of a cliff at the edge of a plateau, that forms the margin of a gravel deposit

## Etymology
From rim + rock.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/rimrock