"musa" meaning in Esperanto

{
  "forms": [
    {
      "form": "musan",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "musaj",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "musajn",
      "tags": [
        "accusative",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "musa (accusative singular musan, plural musaj, accusative plural musajn)",
      "name": "eo-head"
    }
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Esperanto entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Esperanto entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "eo",
          "name": "Rodents",
          "orig": "eo:Rodents",
          "parents": [
            "Mammals",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "murine"
      ],
      "hypernyms": [
        {
          "english": "rodential",
          "word": "ronĝula"
        }
      ],
      "id": "en-musa-eo-adj-8aLIPs4v",
      "links": [
        [
          "murine",
          "murine"
        ]
      ],
      "related": [
        {
          "english": "mouse",
          "word": "muso"
        }
      ]
    }
  ],
  "word": "musa"
}

{
  "forms": [
    {
      "form": "musan",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "musaj",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "musajn",
      "tags": [
        "accusative",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "musa (accusative singular musan, plural musaj, accusative plural musajn)",
      "name": "eo-head"
    }
  ],
  "hypernyms": [
    {
      "english": "rodential",
      "word": "ronĝula"
    }
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "adj",
  "related": [
    {
      "english": "mouse",
      "word": "muso"
    }
  ],
  "senses": [
    {
      "categories": [
        "Esperanto adjectives",
        "Esperanto entries with incorrect language header",
        "Esperanto entries with topic categories using raw markup",
        "Esperanto lemmas",
        "eo:Rodents"
      ],
      "glosses": [
        "murine"
      ],
      "links": [
        [
          "murine",
          "murine"
        ]
      ]
    }
  ],
  "word": "musa"
}