Ribstone

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A petroglyph in the form of an animal's rib cage.

    "Virtually all of the formal investigations of the Alberta ribstones have led to conclusions of great antiquity. Many of the ribstones are of quartzite, one of the hardest rocks known. These monoliths exhibit advanced erosion and deep patination."

Example

More examples

"Virtually all of the formal investigations of the Alberta ribstones have led to conclusions of great antiquity. Many of the ribstones are of quartzite, one of the hardest rocks known. These monoliths exhibit advanced erosion and deep patination."

Etymology

From rib + stone.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.