"butter-box" meaning in English

{
  "etymology_text": "The idiom may have derived from the flag of Holland, which at the time had an orange stripe on top.",
  "forms": [
    {
      "form": "butter-boxes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "butter-box (plural butter-boxes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A Dutch person; used in the era of the Anglo-Dutch Wars."
      ],
      "id": "en-butter-box-en-noun-6p3dZXjb",
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "Dutch",
          "Dutch"
        ],
        [
          "Anglo-Dutch",
          "Anglo-Dutch"
        ]
      ],
      "raw_glosses": [
        "(archaic, slang, derogatory, British) A Dutch person; used in the era of the Anglo-Dutch Wars."
      ],
      "tags": [
        "British",
        "archaic",
        "derogatory",
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-butter-box.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/5/5e/En-au-butter-box.ogg/En-au-butter-box.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/5/5e/En-au-butter-box.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "butter-box"
}

{
  "etymology_text": "The idiom may have derived from the flag of Holland, which at the time had an orange stripe on top.",
  "forms": [
    {
      "form": "butter-boxes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "butter-box (plural butter-boxes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English countable nouns",
        "English derogatory terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English slang",
        "English terms with archaic senses",
        "English terms with audio links"
      ],
      "glosses": [
        "A Dutch person; used in the era of the Anglo-Dutch Wars."
      ],
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "Dutch",
          "Dutch"
        ],
        [
          "Anglo-Dutch",
          "Anglo-Dutch"
        ]
      ],
      "raw_glosses": [
        "(archaic, slang, derogatory, British) A Dutch person; used in the era of the Anglo-Dutch Wars."
      ],
      "tags": [
        "British",
        "archaic",
        "derogatory",
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-butter-box.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/5/5e/En-au-butter-box.ogg/En-au-butter-box.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/5/5e/En-au-butter-box.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "butter-box"
}