"Flach" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "de",
        "3": "-"
      },
      "expansion": "German",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "cs",
        "3": "Vlach",
        "t": "foreigner"
      },
      "expansion": "Czech Vlach (“foreigner”)",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "gmh",
        "3": "vlach",
        "t": "smooth, straight"
      },
      "expansion": "Middle High German vlach (“smooth, straight”)",
      "name": "der"
    }
  ],
  "etymology_text": "* As a German surname, from Czech Vlach (“foreigner”).\n* Also as a German surname, from the adjective Flach (“flat”), see the German entry below.\n* Also as a German surname, from Middle High German vlach (“smooth, straight”). This is also borrowed into Czech.",
  "head_templates": [
    {
      "args": {},
      "expansion": "Flach",
      "name": "en-prop"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
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          "name": "English surnames",
          "parents": [],
          "source": "w"
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          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
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          "source": "w"
        }
      ],
      "glosses": [
        "A surname."
      ],
      "id": "en-Flach-en-name-EMUC1F3L",
      "links": [
        [
          "surname",
          "surname"
        ]
      ]
    }
  ],
  "word": "Flach"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "de",
        "3": "-"
      },
      "expansion": "German",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "cs",
        "3": "Vlach",
        "t": "foreigner"
      },
      "expansion": "Czech Vlach (“foreigner”)",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "gmh",
        "3": "vlach",
        "t": "smooth, straight"
      },
      "expansion": "Middle High German vlach (“smooth, straight”)",
      "name": "der"
    }
  ],
  "etymology_text": "* As a German surname, from Czech Vlach (“foreigner”).\n* Also as a German surname, from the adjective Flach (“flat”), see the German entry below.\n* Also as a German surname, from Middle High German vlach (“smooth, straight”). This is also borrowed into Czech.",
  "head_templates": [
    {
      "args": {},
      "expansion": "Flach",
      "name": "en-prop"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
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        "English lemmas",
        "English proper nouns",
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        "Pages with entries"
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      "glosses": [
        "A surname."
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      "links": [
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          "surname"
        ]
      ]
    }
  ],
  "word": "Flach"
}