"hreysi" meaning in Old Norse

{
  "derived": [
    {
      "_dis1": "0 0 0",
      "english": "wild cat",
      "word": "hreysikǫttr"
    },
    {
      "_dis1": "0 0 0",
      "english": "weasel",
      "word": "hreysivisla"
    },
    {
      "_dis1": "0 0 0",
      "english": "to slink into a den",
      "word": "skríða í hreysi"
    }
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "en",
            "2": "raise",
            "bor": "1"
          },
          "expansion": "→ English: raise",
          "name": "desc"
        }
      ],
      "text": "→ English: raise"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "is",
            "2": "hreysi"
          },
          "expansion": "Icelandic: hreysi",
          "name": "desc"
        }
      ],
      "text": "Icelandic: hreysi"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "gmq-osw",
            "2": "rø̄se"
          },
          "expansion": "Old Swedish: rø̄se",
          "name": "desc"
        }
      ],
      "text": "Old Swedish: rø̄se"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "sv",
            "2": "röse"
          },
          "expansion": "Swedish: röse",
          "name": "desc"
        }
      ],
      "text": "Swedish: röse"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "non",
        "2": "nouns",
        "g": "n",
        "g2": "",
        "head": "",
        "sort": "",
        "tr": ""
      },
      "expansion": "hreysi n",
      "name": "head"
    },
    {
      "args": {
        "1": "n"
      },
      "expansion": "hreysi n",
      "name": "non-noun"
    }
  ],
  "lang": "Old Norse",
  "lang_code": "non",
  "pos": "noun",
  "related": [
    {
      "_dis1": "0 0 0",
      "word": "hreysar"
    }
  ],
  "senses": [
    {
      "glosses": [
        "a cairn"
      ],
      "id": "en-hreysi-non-noun-GocVZ9sy",
      "links": [
        [
          "cairn",
          "cairn"
        ]
      ],
      "tags": [
        "neuter"
      ]
    },
    {
      "glosses": [
        "a pile or heap of stones (synonymous with the Icelandic urð)"
      ],
      "id": "en-hreysi-non-noun-59iorl7c",
      "links": [
        [
          "pile",
          "pile"
        ],
        [
          "heap",
          "heap"
        ],
        [
          "stones",
          "stones"
        ],
        [
          "urð",
          "urð#Icelandic"
        ]
      ],
      "tags": [
        "neuter"
      ]
    },
    {
      "glosses": [
        "a cave or den"
      ],
      "id": "en-hreysi-non-noun-oUo6maIz",
      "links": [
        [
          "cave",
          "cave"
        ],
        [
          "den",
          "den"
        ]
      ],
      "tags": [
        "neuter"
      ]
    }
  ],
  "word": "hreysi"
}

{
  "categories": [
    "Old Norse entries with incorrect language header",
    "Old Norse lemmas",
    "Old Norse neuter nouns",
    "Old Norse nouns",
    "Pages with 2 entries",
    "Pages with entries"
  ],
  "derived": [
    {
      "english": "wild cat",
      "word": "hreysikǫttr"
    },
    {
      "english": "weasel",
      "word": "hreysivisla"
    },
    {
      "english": "to slink into a den",
      "word": "skríða í hreysi"
    }
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "en",
            "2": "raise",
            "bor": "1"
          },
          "expansion": "→ English: raise",
          "name": "desc"
        }
      ],
      "text": "→ English: raise"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "is",
            "2": "hreysi"
          },
          "expansion": "Icelandic: hreysi",
          "name": "desc"
        }
      ],
      "text": "Icelandic: hreysi"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "gmq-osw",
            "2": "rø̄se"
          },
          "expansion": "Old Swedish: rø̄se",
          "name": "desc"
        }
      ],
      "text": "Old Swedish: rø̄se"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "sv",
            "2": "röse"
          },
          "expansion": "Swedish: röse",
          "name": "desc"
        }
      ],
      "text": "Swedish: röse"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "non",
        "2": "nouns",
        "g": "n",
        "g2": "",
        "head": "",
        "sort": "",
        "tr": ""
      },
      "expansion": "hreysi n",
      "name": "head"
    },
    {
      "args": {
        "1": "n"
      },
      "expansion": "hreysi n",
      "name": "non-noun"
    }
  ],
  "lang": "Old Norse",
  "lang_code": "non",
  "pos": "noun",
  "related": [
    {
      "word": "hreysar"
    }
  ],
  "senses": [
    {
      "glosses": [
        "a cairn"
      ],
      "links": [
        [
          "cairn",
          "cairn"
        ]
      ],
      "tags": [
        "neuter"
      ]
    },
    {
      "glosses": [
        "a pile or heap of stones (synonymous with the Icelandic urð)"
      ],
      "links": [
        [
          "pile",
          "pile"
        ],
        [
          "heap",
          "heap"
        ],
        [
          "stones",
          "stones"
        ],
        [
          "urð",
          "urð#Icelandic"
        ]
      ],
      "tags": [
        "neuter"
      ]
    },
    {
      "glosses": [
        "a cave or den"
      ],
      "links": [
        [
          "cave",
          "cave"
        ],
        [
          "den",
          "den"
        ]
      ],
      "tags": [
        "neuter"
      ]
    }
  ],
  "word": "hreysi"
}