"mat leave" meaning in English

{
  "forms": [
    {
      "form": "mat leaves",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "mat leave (countable and uncountable, plural mat leaves)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "maternity leave"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Coordinate term: pat leave"
        },
        {
          "text": "Kelly is on mat leave til Thursday, then her husband starts paternity leave.",
          "type": "example"
        }
      ],
      "glosses": [
        "Clipping of maternity leave."
      ],
      "id": "en-mat_leave-en-noun-xzifZjvK",
      "links": [
        [
          "maternity leave",
          "maternity leave#English"
        ]
      ],
      "raw_glosses": [
        "(informal) Clipping of maternity leave."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "clipping",
        "countable",
        "informal",
        "uncountable"
      ]
    }
  ],
  "word": "mat leave"
}

{
  "forms": [
    {
      "form": "mat leaves",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "mat leave (countable and uncountable, plural mat leaves)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "maternity leave"
        }
      ],
      "categories": [
        "English clippings",
        "English countable nouns",
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with usage examples",
        "English uncountable nouns"
      ],
      "examples": [
        {
          "text": "Coordinate term: pat leave"
        },
        {
          "text": "Kelly is on mat leave til Thursday, then her husband starts paternity leave.",
          "type": "example"
        }
      ],
      "glosses": [
        "Clipping of maternity leave."
      ],
      "links": [
        [
          "maternity leave",
          "maternity leave#English"
        ]
      ],
      "raw_glosses": [
        "(informal) Clipping of maternity leave."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "clipping",
        "countable",
        "informal",
        "uncountable"
      ]
    }
  ],
  "word": "mat leave"
}