"'tocks" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "buttocks"
      },
      "expansion": "Aphetic form of buttocks",
      "name": "aphetic form"
    }
  ],
  "etymology_text": "Aphetic form of buttocks.",
  "head_templates": [
    {
      "args": {
        "1": "p"
      },
      "expansion": "'tocks pl (plural only)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "buttocks"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English pluralia tantum",
          "parents": [
            "Pluralia tantum",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Clipping of buttocks."
      ],
      "id": "en-'tocks-en-noun-sSCrkeZ1",
      "links": [
        [
          "buttocks",
          "buttocks#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "clipping",
        "plural",
        "plural-only"
      ]
    }
  ],
  "word": "'tocks"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "buttocks"
      },
      "expansion": "Aphetic form of buttocks",
      "name": "aphetic form"
    }
  ],
  "etymology_text": "Aphetic form of buttocks.",
  "head_templates": [
    {
      "args": {
        "1": "p"
      },
      "expansion": "'tocks pl (plural only)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "buttocks"
        }
      ],
      "categories": [
        "English aphetic forms",
        "English clippings",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English pluralia tantum",
        "Pages with 1 entry"
      ],
      "glosses": [
        "Clipping of buttocks."
      ],
      "links": [
        [
          "buttocks",
          "buttocks#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "clipping",
        "plural",
        "plural-only"
      ]
    }
  ],
  "word": "'tocks"
}