"Fut" meaning in Latin

{
  "head_templates": [
    {
      "args": {
        "1": "Fut",
        "g": "m",
        "indecl": "1"
      },
      "expansion": "Fut m (indeclinable)",
      "name": "la-proper noun"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Latin entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 4 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "la",
          "name": "Rivers",
          "orig": "la:Rivers",
          "parents": [
            "Bodies of water",
            "Places",
            "Landforms",
            "Water",
            "Names",
            "Earth",
            "Liquids",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Nature",
            "Matter",
            "Fundamental",
            "Nouns",
            "Chemistry",
            "Lemmas",
            "Sciences"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A river in Mauretania, mentioned by Pliny"
      ],
      "id": "en-Fut-la-name-I8RPo-8i",
      "links": [
        [
          "Mauretania",
          "Mauretania#English"
        ]
      ],
      "tags": [
        "indeclinable",
        "masculine"
      ]
    }
  ],
  "word": "Fut"
}

{
  "head_templates": [
    {
      "args": {
        "1": "Fut",
        "g": "m",
        "indecl": "1"
      },
      "expansion": "Fut m (indeclinable)",
      "name": "la-proper noun"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Latin entries with incorrect language header",
        "Latin indeclinable nouns",
        "Latin lemmas",
        "Latin masculine indeclinable nouns",
        "Latin masculine nouns",
        "Latin proper nouns",
        "Pages with 4 entries",
        "Pages with entries",
        "la:Rivers"
      ],
      "glosses": [
        "A river in Mauretania, mentioned by Pliny"
      ],
      "links": [
        [
          "Mauretania",
          "Mauretania#English"
        ]
      ],
      "tags": [
        "indeclinable",
        "masculine"
      ]
    }
  ],
  "word": "Fut"
}