"undam" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un",
        "3": "dam"
      },
      "expansion": "un- + dam",
      "name": "prefix"
    }
  ],
  "etymology_text": "From un- + dam.",
  "forms": [
    {
      "form": "undams",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "undamming",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "undammed",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "undammed",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "++"
      },
      "expansion": "undam (third-person singular simple present undams, present participle undamming, simple past and past participle undammed)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "_dis": "57 43",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "English terms prefixed with un-",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "74 26",
          "kind": "other",
          "name": "Pages with 4 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "74 26",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "To remove a dam from (a river)."
      ],
      "id": "en-undam-en-verb-d5ztAyK~",
      "links": [
        [
          "dam",
          "dam"
        ]
      ],
      "raw_glosses": [
        "(transitive) To remove a dam from (a river)."
      ],
      "tags": [
        "transitive"
      ]
    },
    {
      "categories": [
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "English terms prefixed with un-",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "To free from a physical or figurative obstruction."
      ],
      "id": "en-undam-en-verb-Qg6dHpHh",
      "links": [
        [
          "obstruction",
          "obstruction"
        ]
      ],
      "raw_glosses": [
        "(transitive) To free from a physical or figurative obstruction."
      ],
      "tags": [
        "transitive"
      ]
    }
  ],
  "word": "undam"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English terms prefixed with un-",
    "English verbs",
    "Pages with 4 entries",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un",
        "3": "dam"
      },
      "expansion": "un- + dam",
      "name": "prefix"
    }
  ],
  "etymology_text": "From un- + dam.",
  "forms": [
    {
      "form": "undams",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "undamming",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "undammed",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "undammed",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "++"
      },
      "expansion": "undam (third-person singular simple present undams, present participle undamming, simple past and past participle undammed)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English transitive verbs"
      ],
      "glosses": [
        "To remove a dam from (a river)."
      ],
      "links": [
        [
          "dam",
          "dam"
        ]
      ],
      "raw_glosses": [
        "(transitive) To remove a dam from (a river)."
      ],
      "tags": [
        "transitive"
      ]
    },
    {
      "categories": [
        "English transitive verbs"
      ],
      "glosses": [
        "To free from a physical or figurative obstruction."
      ],
      "links": [
        [
          "obstruction",
          "obstruction"
        ]
      ],
      "raw_glosses": [
        "(transitive) To free from a physical or figurative obstruction."
      ],
      "tags": [
        "transitive"
      ]
    }
  ],
  "word": "undam"
}