"man's best friend" meaning in English

{
  "etymology_text": "Refers to the millennia-long history of close relations, loyalty, friendship, and companionship of dogs with humans.",
  "head_templates": [
    {
      "args": {
        "1": "?"
      },
      "expansion": "man's best friend",
      "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"
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          "source": "w"
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          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
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          "source": "w"
        },
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          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
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          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Dogs",
          "orig": "en:Dogs",
          "parents": [
            "Canids",
            "Carnivores",
            "Mammals",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An affectionate term for a dog, or dogs in general."
      ],
      "id": "en-man's_best_friend-en-noun-gosWhKoT",
      "links": [
        [
          "dog",
          "dog#English"
        ]
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "an affectionate term for a dog",
          "word": "ihmisen paras ystävä"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "an affectionate term for a dog",
          "tags": [
            "masculine"
          ],
          "word": "le meilleur ami de l’homme"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "an affectionate term for a dog",
          "tags": [
            "masculine"
          ],
          "word": "bester Freund des Menschen"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "an affectionate term for a dog",
          "word": "az ember legjobb barátja"
        },
        {
          "code": "is",
          "lang": "Icelandic",
          "sense": "an affectionate term for a dog",
          "tags": [
            "masculine"
          ],
          "word": "besti vinur mannsins"
        },
        {
          "code": "id",
          "lang": "Indonesian",
          "sense": "an affectionate term for a dog",
          "word": "teman terbaik manusia"
        },
        {
          "code": "nb",
          "lang": "Norwegian Bokmål",
          "sense": "an affectionate term for a dog",
          "tags": [
            "masculine"
          ],
          "word": "menneskets beste venn"
        },
        {
          "code": "nn",
          "lang": "Norwegian Nynorsk",
          "sense": "an affectionate term for a dog",
          "tags": [
            "masculine"
          ],
          "word": "menneskets beste ven"
        },
        {
          "code": "nn",
          "lang": "Norwegian Nynorsk",
          "sense": "an affectionate term for a dog",
          "tags": [
            "masculine"
          ],
          "word": "menneskets beste venn"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "an affectionate term for a dog",
          "tags": [
            "masculine"
          ],
          "word": "o melhor amigo do homem"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "drug čelovéka",
          "sense": "an affectionate term for a dog",
          "tags": [
            "masculine"
          ],
          "word": "друг челове́ка"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "an affectionate term for a dog",
          "tags": [
            "masculine"
          ],
          "word": "el mejor amigo del hombre"
        }
      ],
      "wikipedia": [
        "Man's best friend (phrase)"
      ]
    }
  ],
  "word": "man's best friend"
}

{
  "etymology_text": "Refers to the millennia-long history of close relations, loyalty, friendship, and companionship of dogs with humans.",
  "head_templates": [
    {
      "args": {
        "1": "?"
      },
      "expansion": "man's best friend",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English nouns with unknown or uncertain plurals",
        "English terms with non-redundant non-automated sortkeys",
        "en:Dogs"
      ],
      "glosses": [
        "An affectionate term for a dog, or dogs in general."
      ],
      "links": [
        [
          "dog",
          "dog#English"
        ]
      ],
      "wikipedia": [
        "Man's best friend (phrase)"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "an affectionate term for a dog",
      "word": "ihmisen paras ystävä"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "an affectionate term for a dog",
      "tags": [
        "masculine"
      ],
      "word": "le meilleur ami de l’homme"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "an affectionate term for a dog",
      "tags": [
        "masculine"
      ],
      "word": "bester Freund des Menschen"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "an affectionate term for a dog",
      "word": "az ember legjobb barátja"
    },
    {
      "code": "is",
      "lang": "Icelandic",
      "sense": "an affectionate term for a dog",
      "tags": [
        "masculine"
      ],
      "word": "besti vinur mannsins"
    },
    {
      "code": "id",
      "lang": "Indonesian",
      "sense": "an affectionate term for a dog",
      "word": "teman terbaik manusia"
    },
    {
      "code": "nb",
      "lang": "Norwegian Bokmål",
      "sense": "an affectionate term for a dog",
      "tags": [
        "masculine"
      ],
      "word": "menneskets beste venn"
    },
    {
      "code": "nn",
      "lang": "Norwegian Nynorsk",
      "sense": "an affectionate term for a dog",
      "tags": [
        "masculine"
      ],
      "word": "menneskets beste ven"
    },
    {
      "code": "nn",
      "lang": "Norwegian Nynorsk",
      "sense": "an affectionate term for a dog",
      "tags": [
        "masculine"
      ],
      "word": "menneskets beste venn"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "an affectionate term for a dog",
      "tags": [
        "masculine"
      ],
      "word": "o melhor amigo do homem"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "drug čelovéka",
      "sense": "an affectionate term for a dog",
      "tags": [
        "masculine"
      ],
      "word": "друг челове́ка"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "an affectionate term for a dog",
      "tags": [
        "masculine"
      ],
      "word": "el mejor amigo del hombre"
    }
  ],
  "word": "man's best friend"
}