"keep watch" meaning in English

{
  "forms": [
    {
      "form": "keeps watch",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "keeping watch",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "kept watch",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "kept watch",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "keep<,,kept> watch"
      },
      "expansion": "keep watch (third-person singular simple present keeps watch, present participle keeping watch, simple past and past participle kept watch)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1900 May 17, L[yman] Frank Baum, The Wonderful Wizard of Oz, Chicago, Ill.; New York, N.Y.: Geo[rge] M[elvin] Hill Co., →OCLC:",
          "text": "In the afternoon the sun shone hot in their faces, for there were no trees to offer them shade; so that before night Dorothy and Toto and the Lion were tired, and lay down upon the grass and fell asleep, with the Woodman and the Scarecrow keeping watch.",
          "type": "quote"
        }
      ],
      "glosses": [
        "To guard; to watch over someone or something."
      ],
      "id": "en-keep_watch-en-verb-Gm-29rfF",
      "links": [
        [
          "guard",
          "guard"
        ],
        [
          "watch",
          "watch"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, intransitive) To guard; to watch over someone or something."
      ],
      "synonyms": [
        {
          "word": "stand guard"
        }
      ],
      "tags": [
        "idiomatic",
        "intransitive"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-keep watch.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/f/ff/En-au-keep_watch.ogg/En-au-keep_watch.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/f/ff/En-au-keep_watch.ogg"
    }
  ],
  "word": "keep watch"
}

{
  "forms": [
    {
      "form": "keeps watch",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "keeping watch",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "kept watch",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "kept watch",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "keep<,,kept> watch"
      },
      "expansion": "keep watch (third-person singular simple present keeps watch, present participle keeping watch, simple past and past participle kept watch)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English idioms",
        "English intransitive verbs",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English verbs",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1900 May 17, L[yman] Frank Baum, The Wonderful Wizard of Oz, Chicago, Ill.; New York, N.Y.: Geo[rge] M[elvin] Hill Co., →OCLC:",
          "text": "In the afternoon the sun shone hot in their faces, for there were no trees to offer them shade; so that before night Dorothy and Toto and the Lion were tired, and lay down upon the grass and fell asleep, with the Woodman and the Scarecrow keeping watch.",
          "type": "quote"
        }
      ],
      "glosses": [
        "To guard; to watch over someone or something."
      ],
      "links": [
        [
          "guard",
          "guard"
        ],
        [
          "watch",
          "watch"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, intransitive) To guard; to watch over someone or something."
      ],
      "synonyms": [
        {
          "word": "stand guard"
        }
      ],
      "tags": [
        "idiomatic",
        "intransitive"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-keep watch.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/f/ff/En-au-keep_watch.ogg/En-au-keep_watch.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/f/ff/En-au-keep_watch.ogg"
    }
  ],
  "word": "keep watch"
}