"zero ending" meaning in English

{
  "forms": [
    {
      "form": "zero endings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "zero ending (plural zero endings)",
      "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": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Grammar",
          "orig": "en:Grammar",
          "parents": [
            "Linguistics",
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "The Polish word for \"cat\" is \"kot\". Its genitive form is \"kota\", which has the ending \"–a\". Because the nominative form consists of the stem without an ending, it can be said that \"kot\" has the zero ending. In a table listing the endings one could hence write: \"Nominative: –∅, Genitive: –a\"."
        }
      ],
      "glosses": [
        "The absence of an ending after a noun‐stem in a language in which endings are normally applied; often written as ∅"
      ],
      "id": "en-zero_ending-en-noun-v6Xj0EaX",
      "links": [
        [
          "grammar",
          "grammar"
        ],
        [
          "noun",
          "noun"
        ],
        [
          "stem",
          "stem"
        ],
        [
          "∅",
          "∅"
        ]
      ],
      "raw_glosses": [
        "(grammar) The absence of an ending after a noun‐stem in a language in which endings are normally applied; often written as ∅"
      ],
      "related": [
        {
          "word": "∅"
        }
      ],
      "topics": [
        "grammar",
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "word": "zero ending"
}

{
  "forms": [
    {
      "form": "zero endings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "zero ending (plural zero endings)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "∅"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Grammar"
      ],
      "examples": [
        {
          "text": "The Polish word for \"cat\" is \"kot\". Its genitive form is \"kota\", which has the ending \"–a\". Because the nominative form consists of the stem without an ending, it can be said that \"kot\" has the zero ending. In a table listing the endings one could hence write: \"Nominative: –∅, Genitive: –a\"."
        }
      ],
      "glosses": [
        "The absence of an ending after a noun‐stem in a language in which endings are normally applied; often written as ∅"
      ],
      "links": [
        [
          "grammar",
          "grammar"
        ],
        [
          "noun",
          "noun"
        ],
        [
          "stem",
          "stem"
        ],
        [
          "∅",
          "∅"
        ]
      ],
      "raw_glosses": [
        "(grammar) The absence of an ending after a noun‐stem in a language in which endings are normally applied; often written as ∅"
      ],
      "topics": [
        "grammar",
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "word": "zero ending"
}