"ab crack" meaning in English

{
  "forms": [
    {
      "form": "ab cracks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "ab crack (plural ab cracks)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "2016 July 20, Sian Ranscombe, The Telegraph",
          "text": "And now it's the turn of the horribly painful sounding 'ab crack' which has got people talking. That line going down the middle of the abdominals of most self-respecting bikini models? That’s what it is.",
          "type": "quotation"
        },
        {
          "ref": "2016 November 1, Jess Cartner-Morley, The Guardian",
          "text": "Any self-respecting It girl of the moment knows that the photo the paparazzi want is the one in gym leggings and a crop top, exposing this year’s must-have ab-crack.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The vertical ridge visible between a person's abdominal muscles, when highly toned."
      ],
      "id": "en-ab_crack-en-noun-PlGJTaTH",
      "links": [
        [
          "ridge",
          "ridge"
        ],
        [
          "abdominal",
          "abdominal"
        ],
        [
          "toned",
          "toned"
        ]
      ],
      "raw_glosses": [
        "(colloquial) The vertical ridge visible between a person's abdominal muscles, when highly toned."
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "word": "ab crack"
}

{
  "forms": [
    {
      "form": "ab cracks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "ab crack (plural ab cracks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English colloquialisms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2016 July 20, Sian Ranscombe, The Telegraph",
          "text": "And now it's the turn of the horribly painful sounding 'ab crack' which has got people talking. That line going down the middle of the abdominals of most self-respecting bikini models? That’s what it is.",
          "type": "quotation"
        },
        {
          "ref": "2016 November 1, Jess Cartner-Morley, The Guardian",
          "text": "Any self-respecting It girl of the moment knows that the photo the paparazzi want is the one in gym leggings and a crop top, exposing this year’s must-have ab-crack.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The vertical ridge visible between a person's abdominal muscles, when highly toned."
      ],
      "links": [
        [
          "ridge",
          "ridge"
        ],
        [
          "abdominal",
          "abdominal"
        ],
        [
          "toned",
          "toned"
        ]
      ],
      "raw_glosses": [
        "(colloquial) The vertical ridge visible between a person's abdominal muscles, when highly toned."
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "word": "ab crack"
}