"ladder mate" meaning in English

{
  "etymology_text": "The attacking pieces nudge the king one rank or file at a time, like climbing the rungs of a ladder, until reaching the edge of the board.",
  "forms": [
    {
      "form": "ladder mates",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "ladder mate (plural ladder mates)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Checkmate patterns",
          "orig": "en:Checkmate patterns",
          "parents": [
            "Chess",
            "Board games",
            "Tabletop games",
            "Games",
            "Recreation",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chess",
          "orig": "en:Chess",
          "parents": [
            "Board games",
            "Tabletop games",
            "Games",
            "Recreation",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A checkmate pattern in which two major pieces team up to push the enemy king to one side of the board."
      ],
      "id": "en-ladder_mate-en-noun-fz-~DL~e",
      "links": [
        [
          "chess",
          "chess"
        ],
        [
          "checkmate",
          "checkmate"
        ],
        [
          "pattern",
          "pattern"
        ],
        [
          "major piece",
          "major piece"
        ],
        [
          "king",
          "king"
        ],
        [
          "board",
          "board"
        ]
      ],
      "raw_glosses": [
        "(chess) A checkmate pattern in which two major pieces team up to push the enemy king to one side of the board."
      ],
      "synonyms": [
        {
          "word": "lawnmower mate"
        }
      ],
      "topics": [
        "board-games",
        "chess",
        "games"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Translations",
          "word": "telaketjumatti"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "Translations",
          "tags": [
            "neuter"
          ],
          "word": "Treppenmatt"
        }
      ]
    }
  ],
  "word": "ladder mate"
}

{
  "etymology_text": "The attacking pieces nudge the king one rank or file at a time, like climbing the rungs of a ladder, until reaching the edge of the board.",
  "forms": [
    {
      "form": "ladder mates",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "ladder mate (plural ladder mates)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Translation table header lacks gloss",
        "en:Checkmate patterns",
        "en:Chess"
      ],
      "glosses": [
        "A checkmate pattern in which two major pieces team up to push the enemy king to one side of the board."
      ],
      "links": [
        [
          "chess",
          "chess"
        ],
        [
          "checkmate",
          "checkmate"
        ],
        [
          "pattern",
          "pattern"
        ],
        [
          "major piece",
          "major piece"
        ],
        [
          "king",
          "king"
        ],
        [
          "board",
          "board"
        ]
      ],
      "raw_glosses": [
        "(chess) A checkmate pattern in which two major pieces team up to push the enemy king to one side of the board."
      ],
      "synonyms": [
        {
          "word": "lawnmower mate"
        }
      ],
      "topics": [
        "board-games",
        "chess",
        "games"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Translations",
      "word": "telaketjumatti"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "Translations",
      "tags": [
        "neuter"
      ],
      "word": "Treppenmatt"
    }
  ],
  "word": "ladder mate"
}