"main bitch" meaning in English

{
  "forms": [
    {
      "form": "main bitches",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "es"
      },
      "expansion": "main bitch (plural main bitches)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "_dis1": "0 0",
      "word": "side bitch"
    },
    {
      "_dis1": "0 0",
      "word": "side nigga"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "96 4",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "95 5",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "95 5",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "100 0",
          "kind": "other",
          "langcode": "en",
          "name": "Female people",
          "orig": "en:Female people",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "coordinate_terms": [
        {
          "word": "side bitch"
        },
        {
          "word": "side chick"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              16,
              26
            ]
          ],
          "text": "I don't want my main bitch to find out that I'm seeing a side bitch in the weekends.",
          "type": "example"
        }
      ],
      "glosses": [
        "The primary woman with whom a man is romantically involved."
      ],
      "id": "en-main_bitch-en-noun-ghaczu34",
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "primary",
          "primary"
        ],
        [
          "woman",
          "woman"
        ],
        [
          "man",
          "man"
        ]
      ],
      "raw_glosses": [
        "(US, slang, derogatory, vulgar) The primary woman with whom a man is romantically involved."
      ],
      "tags": [
        "US",
        "derogatory",
        "slang",
        "vulgar"
      ]
    },
    {
      "categories": [],
      "examples": [
        {
          "bold_text_offsets": [
            [
              69,
              79
            ]
          ],
          "ref": "2016, Melissa Broder, So Sad Today:",
          "text": "I wanted to believe him, because I love validation. Validation is my main bitch.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Something or someone of great importance."
      ],
      "id": "en-main_bitch-en-noun-9Iv1moXZ",
      "links": [
        [
          "great",
          "great"
        ],
        [
          "importance",
          "importance"
        ]
      ],
      "raw_glosses": [
        "(by extension) Something or someone of great importance."
      ],
      "tags": [
        "broadly"
      ]
    }
  ],
  "word": "main bitch"
}

{
  "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:Female people"
  ],
  "forms": [
    {
      "form": "main bitches",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "es"
      },
      "expansion": "main bitch (plural main bitches)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "side bitch"
    },
    {
      "word": "side nigga"
    }
  ],
  "senses": [
    {
      "categories": [
        "American English",
        "English derogatory terms",
        "English slang",
        "English terms with usage examples",
        "English vulgarities"
      ],
      "coordinate_terms": [
        {
          "word": "side bitch"
        },
        {
          "word": "side chick"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              16,
              26
            ]
          ],
          "text": "I don't want my main bitch to find out that I'm seeing a side bitch in the weekends.",
          "type": "example"
        }
      ],
      "glosses": [
        "The primary woman with whom a man is romantically involved."
      ],
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "primary",
          "primary"
        ],
        [
          "woman",
          "woman"
        ],
        [
          "man",
          "man"
        ]
      ],
      "raw_glosses": [
        "(US, slang, derogatory, vulgar) The primary woman with whom a man is romantically involved."
      ],
      "tags": [
        "US",
        "derogatory",
        "slang",
        "vulgar"
      ]
    },
    {
      "categories": [
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              69,
              79
            ]
          ],
          "ref": "2016, Melissa Broder, So Sad Today:",
          "text": "I wanted to believe him, because I love validation. Validation is my main bitch.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Something or someone of great importance."
      ],
      "links": [
        [
          "great",
          "great"
        ],
        [
          "importance",
          "importance"
        ]
      ],
      "raw_glosses": [
        "(by extension) Something or someone of great importance."
      ],
      "tags": [
        "broadly"
      ]
    }
  ],
  "word": "main bitch"
}