"tick down" meaning in English

{
  "forms": [
    {
      "form": "ticks down",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "ticking down",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "ticked down",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "ticked down",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "tick down (third-person singular simple present ticks down, present participle ticking down, simple past and past participle ticked down)",
      "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": "English phrasal verbs with particle (down)",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2011 January 22, Phil McNulty, “Aston Villa 1 - 0 Man City”, in BBC",
          "text": "City, predictably, subjected Villa to a sustained spell of pressure as the clock ticked down - and the home team hada [sic] double escape with eight minutes left. De Jong's shot was unwittingly deflected on to his own post by Clark and then Dzeko headed Johnson's cross wide at the far post when he should have restored equality.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To count the time down to zero."
      ],
      "id": "en-tick_down-en-verb-xxqYl9vj",
      "links": [
        [
          "count",
          "count"
        ]
      ],
      "raw_glosses": [
        "(of a clock or other timer) To count the time down to zero."
      ],
      "raw_tags": [
        "of a clock or other timer"
      ]
    }
  ],
  "word": "tick down"
}

{
  "forms": [
    {
      "form": "ticks down",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "ticking down",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "ticked down",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "ticked down",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "tick down (third-person singular simple present ticks down, present participle ticking down, simple past and past participle ticked down)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English phrasal verbs",
        "English phrasal verbs with particle (down)",
        "English terms with quotations",
        "English verbs"
      ],
      "examples": [
        {
          "ref": "2011 January 22, Phil McNulty, “Aston Villa 1 - 0 Man City”, in BBC",
          "text": "City, predictably, subjected Villa to a sustained spell of pressure as the clock ticked down - and the home team hada [sic] double escape with eight minutes left. De Jong's shot was unwittingly deflected on to his own post by Clark and then Dzeko headed Johnson's cross wide at the far post when he should have restored equality.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To count the time down to zero."
      ],
      "links": [
        [
          "count",
          "count"
        ]
      ],
      "raw_glosses": [
        "(of a clock or other timer) To count the time down to zero."
      ],
      "raw_tags": [
        "of a clock or other timer"
      ]
    }
  ],
  "word": "tick down"
}