"morning line" meaning in English

{
  "forms": [
    {
      "form": "morning lines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "morning line (plural morning lines)",
      "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": "Gambling",
          "orig": "en:Gambling",
          "parents": [
            "Games",
            "Recreation",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A bookmaker's list of competitors and probable odds, published before the opening of the betting."
      ],
      "id": "en-morning_line-en-noun-YorR8F4-",
      "links": [
        [
          "gambling",
          "gambling#Noun"
        ],
        [
          "bookmaker",
          "bookmaker"
        ],
        [
          "list",
          "list"
        ],
        [
          "competitor",
          "competitor"
        ],
        [
          "probable",
          "probable"
        ],
        [
          "odds",
          "odds"
        ],
        [
          "bet",
          "bet"
        ]
      ],
      "raw_glosses": [
        "(gambling) A bookmaker's list of competitors and probable odds, published before the opening of the betting."
      ],
      "topics": [
        "gambling",
        "games"
      ]
    }
  ],
  "word": "morning line"
}

{
  "forms": [
    {
      "form": "morning lines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "morning line (plural morning lines)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "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:Gambling"
      ],
      "glosses": [
        "A bookmaker's list of competitors and probable odds, published before the opening of the betting."
      ],
      "links": [
        [
          "gambling",
          "gambling#Noun"
        ],
        [
          "bookmaker",
          "bookmaker"
        ],
        [
          "list",
          "list"
        ],
        [
          "competitor",
          "competitor"
        ],
        [
          "probable",
          "probable"
        ],
        [
          "odds",
          "odds"
        ],
        [
          "bet",
          "bet"
        ]
      ],
      "raw_glosses": [
        "(gambling) A bookmaker's list of competitors and probable odds, published before the opening of the betting."
      ],
      "topics": [
        "gambling",
        "games"
      ]
    }
  ],
  "word": "morning line"
}