"half hour" meaning in English

{
  "forms": [
    {
      "form": "half hours",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "half hour (plural half hours)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "half-hour"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1897, Charles A. Bramble, “Winter Fishing Through the Ice”, in The Sportsman’s Magazine, page 430",
          "text": "Every half hour or so one or the other would steal off with snowshoes and toboggan to make the round of the holes, often returning with half a dozen fish that together weighed perhaps twelve pounds, perhaps twenty-four pounds; […]",
          "type": "quotation"
        },
        {
          "ref": "2006, Barack Obama, “Family”, in The Audacity of Hope: Thoughts on Reclaiming the American Dream, New York, N.Y.: Crown Publishers, page 338",
          "text": "I was a night owl and could be a bit grumpy (mean, Michelle would say) within the first half hour or so of getting out of bed.",
          "type": "quotation"
        },
        {
          "ref": "2006, Michael F[redric] Roizen, Mehmet C[engiz] Oz, with Ted Spiker, Lisa Oz, and Craig Wynett, You, on a Diet: The Owner’s Manual for Waist Management, New York, N.Y.: Free Press, page 44",
          "text": "Your stomach secretes ghrelin in pulses every half hour, sending subtle chemical impulses to your brain—almost like subliminal biological messages (carrot cake, carrot cake, carrot cake).",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of half-hour."
      ],
      "id": "en-half_hour-en-noun-qUlQZYjG",
      "links": [
        [
          "half-hour",
          "half-hour#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "half hour"
}

{
  "forms": [
    {
      "form": "half hours",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "half hour (plural half hours)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "half-hour"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1897, Charles A. Bramble, “Winter Fishing Through the Ice”, in The Sportsman’s Magazine, page 430",
          "text": "Every half hour or so one or the other would steal off with snowshoes and toboggan to make the round of the holes, often returning with half a dozen fish that together weighed perhaps twelve pounds, perhaps twenty-four pounds; […]",
          "type": "quotation"
        },
        {
          "ref": "2006, Barack Obama, “Family”, in The Audacity of Hope: Thoughts on Reclaiming the American Dream, New York, N.Y.: Crown Publishers, page 338",
          "text": "I was a night owl and could be a bit grumpy (mean, Michelle would say) within the first half hour or so of getting out of bed.",
          "type": "quotation"
        },
        {
          "ref": "2006, Michael F[redric] Roizen, Mehmet C[engiz] Oz, with Ted Spiker, Lisa Oz, and Craig Wynett, You, on a Diet: The Owner’s Manual for Waist Management, New York, N.Y.: Free Press, page 44",
          "text": "Your stomach secretes ghrelin in pulses every half hour, sending subtle chemical impulses to your brain—almost like subliminal biological messages (carrot cake, carrot cake, carrot cake).",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of half-hour."
      ],
      "links": [
        [
          "half-hour",
          "half-hour#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "half hour"
}