"quernstone" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "quern",
        "3": "stone"
      },
      "expansion": "quern + stone",
      "name": "compound"
    },
    {
      "args": {
        "1": "en",
        "2": "enm",
        "3": "querneston"
      },
      "expansion": "Middle English querneston",
      "name": "inh"
    },
    {
      "args": {
        "1": "enm",
        "2": "whernston"
      },
      "expansion": "whernston",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "ang",
        "3": "cweornstān"
      },
      "expansion": "Old English cweornstān",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "gem-pro",
        "3": "*kwernōstainaz"
      },
      "expansion": "Proto-Germanic *kwernōstainaz",
      "name": "inh"
    },
    {
      "args": {
        "1": "goh",
        "2": "quirnstein"
      },
      "expansion": "Old High German quirnstein",
      "name": "cog"
    },
    {
      "args": {
        "1": "non",
        "2": "kvernsteinn"
      },
      "expansion": "Old Norse kvernsteinn",
      "name": "cog"
    }
  ],
  "etymology_text": "quern + stone. From Middle English querneston, whernston, from Old English cweornstān, from Proto-Germanic *kwernōstainaz. Cognate with Old High German quirnstein and Old Norse kvernsteinn.",
  "forms": [
    {
      "form": "quernstones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "quernstone (plural quernstones)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Tools",
          "orig": "en:Tools",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Either of a pair of stones used for grinding material by hand."
      ],
      "id": "en-quernstone-en-noun-4yVPU3mF",
      "links": [
        [
          "stone",
          "stone"
        ],
        [
          "grinding",
          "grinding"
        ]
      ],
      "synonyms": [
        {
          "word": "quern-stone"
        }
      ],
      "wikipedia": [
        "quern-stone"
      ]
    }
  ],
  "word": "quernstone"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "quern",
        "3": "stone"
      },
      "expansion": "quern + stone",
      "name": "compound"
    },
    {
      "args": {
        "1": "en",
        "2": "enm",
        "3": "querneston"
      },
      "expansion": "Middle English querneston",
      "name": "inh"
    },
    {
      "args": {
        "1": "enm",
        "2": "whernston"
      },
      "expansion": "whernston",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "ang",
        "3": "cweornstān"
      },
      "expansion": "Old English cweornstān",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "gem-pro",
        "3": "*kwernōstainaz"
      },
      "expansion": "Proto-Germanic *kwernōstainaz",
      "name": "inh"
    },
    {
      "args": {
        "1": "goh",
        "2": "quirnstein"
      },
      "expansion": "Old High German quirnstein",
      "name": "cog"
    },
    {
      "args": {
        "1": "non",
        "2": "kvernsteinn"
      },
      "expansion": "Old Norse kvernsteinn",
      "name": "cog"
    }
  ],
  "etymology_text": "quern + stone. From Middle English querneston, whernston, from Old English cweornstān, from Proto-Germanic *kwernōstainaz. Cognate with Old High German quirnstein and Old Norse kvernsteinn.",
  "forms": [
    {
      "form": "quernstones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "quernstone (plural quernstones)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms derived from Middle English",
        "English terms derived from Old English",
        "English terms derived from Proto-Germanic",
        "English terms inherited from Middle English",
        "English terms inherited from Old English",
        "English terms inherited from Proto-Germanic",
        "en:Tools"
      ],
      "glosses": [
        "Either of a pair of stones used for grinding material by hand."
      ],
      "links": [
        [
          "stone",
          "stone"
        ],
        [
          "grinding",
          "grinding"
        ]
      ],
      "wikipedia": [
        "quern-stone"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "quern-stone"
    }
  ],
  "word": "quernstone"
}