"Haack" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "de",
        "3": "-"
      },
      "expansion": "German",
      "name": "bor"
    },
    {
      "args": {
        "1": "en",
        "2": "nl",
        "3": "-"
      },
      "expansion": "Dutch",
      "name": "bor"
    }
  ],
  "etymology_text": "From German and Dutch.",
  "head_templates": [
    {
      "args": {},
      "expansion": "Haack",
      "name": "en-prop"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English surnames",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "Sears-Haack body"
        }
      ],
      "glosses": [
        "A surname from German or Dutch."
      ],
      "id": "en-Haack-en-name-Ee~x2qmo",
      "links": [
        [
          "surname",
          "surname"
        ]
      ]
    }
  ],
  "word": "Haack"
}

{
  "derived": [
    {
      "word": "Sears-Haack body"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "de",
        "3": "-"
      },
      "expansion": "German",
      "name": "bor"
    },
    {
      "args": {
        "1": "en",
        "2": "nl",
        "3": "-"
      },
      "expansion": "Dutch",
      "name": "bor"
    }
  ],
  "etymology_text": "From German and Dutch.",
  "head_templates": [
    {
      "args": {},
      "expansion": "Haack",
      "name": "en-prop"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English proper nouns",
        "English surnames",
        "English surnames from Dutch",
        "English surnames from German",
        "English terms borrowed from Dutch",
        "English terms borrowed from German",
        "English terms derived from Dutch",
        "English terms derived from German",
        "English uncountable nouns",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "glosses": [
        "A surname from German or Dutch."
      ],
      "links": [
        [
          "surname",
          "surname"
        ]
      ]
    }
  ],
  "word": "Haack"
}