"yeoman service" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun"
      },
      "expansion": "yeoman service",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "yeoman's service"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "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": "quote"
        }
      ],
      "glosses": [
        "Alternative form of yeoman's service"
      ],
      "id": "en-yeoman_service-en-noun-slugk6jP",
      "links": [
        [
          "yeoman's service",
          "yeoman's service#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "yeoman service"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun"
      },
      "expansion": "yeoman service",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "yeoman's service"
        }
      ],
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "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": "quote"
        }
      ],
      "glosses": [
        "Alternative form of yeoman's service"
      ],
      "links": [
        [
          "yeoman's service",
          "yeoman's service#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "yeoman service"
}