"eighth-man" meaning in English

{
  "forms": [
    {
      "form": "eighth-men",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "eighth-men"
      },
      "expansion": "eighth-man (plural eighth-men)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "eighthman"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2003, Joel Alswang, The South African Dictionary of Sport, page 207",
          "text": "The formation can be either: 1) Three players in the front row, four in the second row and one in the third row: loosehead prop, hooker, tighthead prop, flanker, lock, lock, flanker, eighth-man or 2) Three in the front row, two in the second row and three in the back row: loosehead prop, hooker, tighthead prop, lock, lock, flanker, eighth-man, flanker.",
          "type": "quotation"
        },
        {
          "ref": "2008, Jaco Louw, The Girlfriend's Guide to Rugby, page 77",
          "text": "If a player is on the ground you can try to rip the ball from him, but you can't go off your feet and dive on him. The ex-All Black eighth-man, Murray Mexted (who is a commentator today) described this rule best in one of his commentaries: \"I think this rule is hard to apply because the moment you see a man on the ground the first thing you want to do is go down on him.\"",
          "type": "quotation"
        },
        {
          "ref": "2013, Michael Jenkins, Making Champions - How South Africa's sporting heroes are made",
          "text": "Throughout his school career, he only ever played eighth-man.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of eighthman"
      ],
      "id": "en-eighth-man-en-noun-vEKbZhU9",
      "links": [
        [
          "eighthman",
          "eighthman#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "eighth-man"
}

{
  "forms": [
    {
      "form": "eighth-men",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "eighth-men"
      },
      "expansion": "eighth-man (plural eighth-men)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "eighthman"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English nouns with irregular plurals",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2003, Joel Alswang, The South African Dictionary of Sport, page 207",
          "text": "The formation can be either: 1) Three players in the front row, four in the second row and one in the third row: loosehead prop, hooker, tighthead prop, flanker, lock, lock, flanker, eighth-man or 2) Three in the front row, two in the second row and three in the back row: loosehead prop, hooker, tighthead prop, lock, lock, flanker, eighth-man, flanker.",
          "type": "quotation"
        },
        {
          "ref": "2008, Jaco Louw, The Girlfriend's Guide to Rugby, page 77",
          "text": "If a player is on the ground you can try to rip the ball from him, but you can't go off your feet and dive on him. The ex-All Black eighth-man, Murray Mexted (who is a commentator today) described this rule best in one of his commentaries: \"I think this rule is hard to apply because the moment you see a man on the ground the first thing you want to do is go down on him.\"",
          "type": "quotation"
        },
        {
          "ref": "2013, Michael Jenkins, Making Champions - How South Africa's sporting heroes are made",
          "text": "Throughout his school career, he only ever played eighth-man.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of eighthman"
      ],
      "links": [
        [
          "eighthman",
          "eighthman#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "eighth-man"
}