"bob under" meaning in English

{
  "forms": [
    {
      "form": "bobs under",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "bobbing under",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "bobbed under",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "bobbed under",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "bob under (third-person singular simple present bobs under, present participle bobbing under, simple past and past participle bobbed under)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "49 51",
          "kind": "other",
          "name": "English phrasal verbs formed with \"under\"",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "49 51",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "49 51",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "I tracked her with my eyes until she bobbed under before the rescue boat got there.",
          "type": "example"
        }
      ],
      "glosses": [
        "To go suddenly under the surface of a body of water after a period of floating."
      ],
      "id": "en-bob_under-en-verb-clyCd3lW",
      "raw_glosses": [
        "(intransitive) To go suddenly under the surface of a body of water after a period of floating."
      ],
      "tags": [
        "intransitive"
      ]
    },
    {
      "categories": [
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "49 51",
          "kind": "other",
          "name": "English phrasal verbs formed with \"under\"",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "49 51",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "49 51",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "He bobbed under the blanket.",
          "type": "example"
        }
      ],
      "glosses": [
        "To go under the surface or edge of something."
      ],
      "id": "en-bob_under-en-verb-vieAd9Rb",
      "raw_glosses": [
        "(transitive, intransitive, by extension, figurative) To go under the surface or edge of something."
      ],
      "tags": [
        "broadly",
        "figuratively",
        "intransitive",
        "transitive"
      ]
    }
  ],
  "word": "bob under"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English phrasal verbs",
    "English phrasal verbs formed with \"under\"",
    "English verbs",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "bobs under",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "bobbing under",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "bobbed under",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "bobbed under",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "bob under (third-person singular simple present bobs under, present participle bobbing under, simple past and past participle bobbed under)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English intransitive verbs",
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "I tracked her with my eyes until she bobbed under before the rescue boat got there.",
          "type": "example"
        }
      ],
      "glosses": [
        "To go suddenly under the surface of a body of water after a period of floating."
      ],
      "raw_glosses": [
        "(intransitive) To go suddenly under the surface of a body of water after a period of floating."
      ],
      "tags": [
        "intransitive"
      ]
    },
    {
      "categories": [
        "English intransitive verbs",
        "English terms with usage examples",
        "English transitive verbs"
      ],
      "examples": [
        {
          "text": "He bobbed under the blanket.",
          "type": "example"
        }
      ],
      "glosses": [
        "To go under the surface or edge of something."
      ],
      "raw_glosses": [
        "(transitive, intransitive, by extension, figurative) To go under the surface or edge of something."
      ],
      "tags": [
        "broadly",
        "figuratively",
        "intransitive",
        "transitive"
      ]
    }
  ],
  "word": "bob under"
}