"measter" meaning in English

{
  "forms": [
    {
      "form": "measters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "measter (plural measters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "master"
        }
      ],
      "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"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English pronunciation spellings",
          "parents": [
            "Pronunciation spellings",
            "Terms by orthographic property",
            "Terms by lexical property"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Pronunciation spelling of master."
      ],
      "id": "en-measter-en-noun-oVlBX9vr",
      "links": [
        [
          "Pronunciation spelling",
          "pronunciation spelling"
        ],
        [
          "master",
          "master#English"
        ]
      ],
      "raw_glosses": [
        "(obsolete, UK) Pronunciation spelling of master."
      ],
      "tags": [
        "UK",
        "alt-of",
        "obsolete",
        "pronunciation-spelling"
      ]
    }
  ],
  "word": "measter"
}

{
  "forms": [
    {
      "form": "measters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "measter (plural measters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "master"
        }
      ],
      "categories": [
        "British English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English pronunciation spellings",
        "English terms with obsolete senses",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Pronunciation spelling of master."
      ],
      "links": [
        [
          "Pronunciation spelling",
          "pronunciation spelling"
        ],
        [
          "master",
          "master#English"
        ]
      ],
      "raw_glosses": [
        "(obsolete, UK) Pronunciation spelling of master."
      ],
      "tags": [
        "UK",
        "alt-of",
        "obsolete",
        "pronunciation-spelling"
      ]
    }
  ],
  "word": "measter"
}