"len" meaning in Romani

{
  "head_templates": [
    {
      "args": {
        "1": "rom",
        "2": "noun",
        "g": "m"
      },
      "expansion": "len m",
      "name": "head"
    }
  ],
  "lang": "Romani",
  "lang_code": "rom",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 18 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Romani entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "rom",
          "name": "Landforms",
          "orig": "rom:Landforms",
          "parents": [
            "Earth",
            "Places",
            "Nature",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "rom",
          "name": "Water",
          "orig": "rom:Water",
          "parents": [
            "Liquids",
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "river"
      ],
      "id": "en-len-rom-noun-X1qO2PE5",
      "links": [
        [
          "river",
          "river"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "len"
}

{
  "head_templates": [
    {
      "args": {
        "1": "rom",
        "2": "noun",
        "g": "m"
      },
      "expansion": "len m",
      "name": "head"
    }
  ],
  "lang": "Romani",
  "lang_code": "rom",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 18 entries",
        "Pages with entries",
        "Romani entries with incorrect language header",
        "Romani lemmas",
        "Romani masculine nouns",
        "Romani nouns",
        "rom:Landforms",
        "rom:Water"
      ],
      "glosses": [
        "river"
      ],
      "links": [
        [
          "river",
          "river"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "len"
}