Grapestone

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A seed of the grape.
  2. 2
    A botryolite or other cluster of sand-sized grains cemented together shortly after deposition to form a botryoidal clump.

Etymology

From grape + stone.

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