"blue lives matter" meaning in English

{
  "etymology_text": "Coined in analogy to black lives matter; the color blue is frequently used for police uniforms.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "blue lives matter",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Law enforcement",
          "orig": "en:Law enforcement",
          "parents": [
            "Crime prevention",
            "Emergency services",
            "Law",
            "Crime",
            "Public safety",
            "Justice",
            "Criminal law",
            "Society",
            "Public administration",
            "Security",
            "All topics",
            "Government",
            "Fundamental",
            "Politics"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Politics",
          "orig": "en:Politics",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Synonym of police lives matter"
      ],
      "id": "en-blue_lives_matter-en-phrase-VBCTQXLk",
      "links": [
        [
          "law enforcement",
          "law enforcement"
        ],
        [
          "politics",
          "politics"
        ],
        [
          "police lives matter",
          "police lives matter#English"
        ]
      ],
      "raw_glosses": [
        "(US, law enforcement, politics) Synonym of police lives matter"
      ],
      "related": [
        {
          "word": "BLM"
        },
        {
          "word": "black lives matter"
        },
        {
          "word": "ALM"
        },
        {
          "word": "all lives matter"
        },
        {
          "word": "WLM"
        },
        {
          "word": "white lives matter"
        },
        {
          "word": "PLM"
        },
        {
          "word": "police lives matter"
        },
        {
          "word": "blue wall of silence"
        },
        {
          "word": "thin blue line"
        }
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "police lives matter"
        }
      ],
      "tags": [
        "US"
      ],
      "topics": [
        "government",
        "law-enforcement",
        "politics"
      ]
    }
  ],
  "word": "blue lives matter"
}

{
  "etymology_text": "Coined in analogy to black lives matter; the color blue is frequently used for police uniforms.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "blue lives matter",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "related": [
    {
      "word": "BLM"
    },
    {
      "word": "black lives matter"
    },
    {
      "word": "ALM"
    },
    {
      "word": "all lives matter"
    },
    {
      "word": "WLM"
    },
    {
      "word": "white lives matter"
    },
    {
      "word": "PLM"
    },
    {
      "word": "police lives matter"
    },
    {
      "word": "blue wall of silence"
    },
    {
      "word": "thin blue line"
    }
  ],
  "senses": [
    {
      "categories": [
        "American English",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English phrases",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Law enforcement",
        "en:Politics"
      ],
      "glosses": [
        "Synonym of police lives matter"
      ],
      "links": [
        [
          "law enforcement",
          "law enforcement"
        ],
        [
          "politics",
          "politics"
        ],
        [
          "police lives matter",
          "police lives matter#English"
        ]
      ],
      "raw_glosses": [
        "(US, law enforcement, politics) Synonym of police lives matter"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "police lives matter"
        }
      ],
      "tags": [
        "US"
      ],
      "topics": [
        "government",
        "law-enforcement",
        "politics"
      ]
    }
  ],
  "word": "blue lives matter"
}