"back water" meaning in English

{
  "forms": [
    {
      "form": "back waters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "back water (plural back waters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "backwater"
        }
      ],
      "glosses": [
        "Alternative spelling of backwater"
      ],
      "id": "en-back_water-en-noun-1Cf0nUtd",
      "links": [
        [
          "backwater",
          "backwater#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "back water"
}

{
  "forms": [
    {
      "form": "backs water",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "backing water",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "backed water",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "backed water",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "back water (third-person singular simple present backs water, present participle backing water, simple past and past participle backed water)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Nautical",
          "orig": "en:Nautical",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "28 72",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "21 79",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "13 87",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "To reverse the action of the oars, paddles, or propeller, so as to force the boat or ship backward."
      ],
      "id": "en-back_water-en-verb-QJURiqlk",
      "links": [
        [
          "nautical",
          "nautical"
        ]
      ],
      "raw_glosses": [
        "(nautical) To reverse the action of the oars, paddles, or propeller, so as to force the boat or ship backward."
      ],
      "topics": [
        "nautical",
        "transport"
      ]
    }
  ],
  "word": "back water"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English verbs",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "back waters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "back water (plural back waters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "backwater"
        }
      ],
      "glosses": [
        "Alternative spelling of backwater"
      ],
      "links": [
        [
          "backwater",
          "backwater#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "back water"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English verbs",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "backs water",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "backing water",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "backed water",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "backed water",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "back water (third-person singular simple present backs water, present participle backing water, simple past and past participle backed water)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "en:Nautical"
      ],
      "glosses": [
        "To reverse the action of the oars, paddles, or propeller, so as to force the boat or ship backward."
      ],
      "links": [
        [
          "nautical",
          "nautical"
        ]
      ],
      "raw_glosses": [
        "(nautical) To reverse the action of the oars, paddles, or propeller, so as to force the boat or ship backward."
      ],
      "topics": [
        "nautical",
        "transport"
      ]
    }
  ],
  "word": "back water"
}