"yeoman service" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "yeoman's service"
        }
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      "examples": [
        {
          "ref": "1945 November and December, H. C. Casserley, “Random Reflections on British Locomotive Types—1”, in Railway Magazine, page 321",
          "text": "Though largely ousted on main-line duties by the 4-6-0, this type [the 4-4-0] performed yeoman service on express work during the latter part of the last century and the early part of this.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of yeoman's service"
      ],
      "id": "en-yeoman_service-en-noun-slugk6jP",
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  "word": "yeoman service"
}

{
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    {
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      "expansion": "yeoman service",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "yeoman's service"
        }
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      "examples": [
        {
          "ref": "1945 November and December, H. C. Casserley, “Random Reflections on British Locomotive Types—1”, in Railway Magazine, page 321",
          "text": "Though largely ousted on main-line duties by the 4-6-0, this type [the 4-4-0] performed yeoman service on express work during the latter part of the last century and the early part of this.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of yeoman's service"
      ],
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  "word": "yeoman service"
}