"β CMa" meaning in Translingual

{
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "proper noun",
        "head": ""
      },
      "expansion": "β CMa",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "β CMa",
      "name": "mul-proper noun"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "word": "Beta Canis Majoris"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Translingual entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Translingual entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Translingual terms written in multiple scripts",
          "parents": [
            "Terms written in multiple scripts",
            "Terms by orthographic property",
            "Terms by lexical property"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Astronomy",
          "orig": "mul:Astronomy",
          "parents": [
            "Sciences",
            "Space",
            "All topics",
            "Nature",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Stars",
          "orig": "mul:Stars",
          "parents": [
            "Celestial bodies",
            "Space",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of Beta Canis Majoris."
      ],
      "id": "en-β_CMa-mul-name-TWgQ0Guy",
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "Beta Canis Majoris",
          "Beta Canis Majoris#Translingual"
        ]
      ],
      "raw_glosses": [
        "(astronomy) Abbreviation of Beta Canis Majoris."
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ],
      "wikipedia": [
        "Beta Canis Majoris"
      ]
    }
  ],
  "word": "β CMa"
}

{
  "head_templates": [
    {
      "args": {
        "1": "mul",
        "2": "proper noun",
        "head": ""
      },
      "expansion": "β CMa",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "β CMa",
      "name": "mul-proper noun"
    }
  ],
  "lang": "Translingual",
  "lang_code": "mul",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "word": "Beta Canis Majoris"
        }
      ],
      "categories": [
        "Translingual abbreviations",
        "Translingual entries with incorrect language header",
        "Translingual entries with topic categories using raw markup",
        "Translingual lemmas",
        "Translingual proper nouns",
        "Translingual terms spelled with Β",
        "Translingual terms written in multiple scripts",
        "mul:Astronomy",
        "mul:Stars"
      ],
      "glosses": [
        "Abbreviation of Beta Canis Majoris."
      ],
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "Beta Canis Majoris",
          "Beta Canis Majoris#Translingual"
        ]
      ],
      "raw_glosses": [
        "(astronomy) Abbreviation of Beta Canis Majoris."
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ],
      "wikipedia": [
        "Beta Canis Majoris"
      ]
    }
  ],
  "word": "β CMa"
}