"gray" meaning in French

{
  "forms": [
    {
      "form": "grays",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "gray m (plural grays)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 6 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "SI units",
          "orig": "fr:SI units",
          "parents": [
            "Units of measure",
            "Metrology",
            "Quantity",
            "Applied sciences",
            "Mathematics",
            "Sciences",
            "Formal sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "gray (SI unit)"
      ],
      "id": "en-gray-fr-noun-fjR8JVW5",
      "links": [
        [
          "gray",
          "gray#English"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɡʁɛj/"
    },
    {
      "audio": "Fr-Paris--gray.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/d/db/Fr-Paris--gray.ogg/Fr-Paris--gray.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/d/db/Fr-Paris--gray.ogg"
    }
  ],
  "word": "gray"
}

{
  "forms": [
    {
      "form": "grays",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "gray m (plural grays)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French 1-syllable words",
        "French countable nouns",
        "French entries with incorrect language header",
        "French eponyms",
        "French lemmas",
        "French masculine nouns",
        "French nouns",
        "French terms with IPA pronunciation",
        "Pages with 6 entries",
        "Pages with entries",
        "fr:SI units"
      ],
      "glosses": [
        "gray (SI unit)"
      ],
      "links": [
        [
          "gray",
          "gray#English"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɡʁɛj/"
    },
    {
      "audio": "Fr-Paris--gray.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/d/db/Fr-Paris--gray.ogg/Fr-Paris--gray.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/d/db/Fr-Paris--gray.ogg"
    }
  ],
  "word": "gray"
}