"motor vessel" meaning in English

{
  "forms": [
    {
      "form": "motor vessels",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "motor vessel (plural motor vessels)",
      "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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Watercraft",
          "orig": "en:Watercraft",
          "parents": [
            "Nautical",
            "Vehicles",
            "Transport",
            "Machines",
            "All topics",
            "Technology",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "synonym of motor ship"
      ],
      "id": "en-motor_vessel-en-noun-lE9N4Kug",
      "links": [
        [
          "nautical",
          "nautical"
        ],
        [
          "motor ship",
          "motor ship#English"
        ]
      ],
      "raw_glosses": [
        "(nautical) synonym of motor ship"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "motor ship"
        },
        {
          "word": "MV"
        },
        {
          "tags": [
            "abbreviation"
          ],
          "word": "M/V"
        }
      ],
      "topics": [
        "nautical",
        "transport"
      ]
    }
  ],
  "word": "motor vessel"
}

{
  "forms": [
    {
      "form": "motor vessels",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "motor vessel (plural motor vessels)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Watercraft"
      ],
      "glosses": [
        "synonym of motor ship"
      ],
      "links": [
        [
          "nautical",
          "nautical"
        ],
        [
          "motor ship",
          "motor ship#English"
        ]
      ],
      "raw_glosses": [
        "(nautical) synonym of motor ship"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "motor ship"
        }
      ],
      "topics": [
        "nautical",
        "transport"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "MV"
    },
    {
      "tags": [
        "abbreviation"
      ],
      "word": "M/V"
    }
  ],
  "word": "motor vessel"
}