"undercrowd" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "under",
        "3": "crowd"
      },
      "expansion": "under- + crowd",
      "name": "prefix"
    }
  ],
  "etymology_text": "under- + crowd",
  "forms": [
    {
      "form": "undercrowds",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "undercrowding",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "undercrowded",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "undercrowded",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "undercrowd (third-person singular simple present undercrowds, present participle undercrowding, simple past and past participle undercrowded)",
      "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 terms prefixed with under-",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1952, California Teachers Association, CTA Journal - Volume 48, page 51",
          "text": "It is hard to set numerical limits on the size of classes, but it is certain that conditions in California tend to overcrowd rather than undercrowd.",
          "type": "quotation"
        },
        {
          "ref": "1989, Behavior genetics - Volume 19, page 304",
          "text": "The number of flies placed into the vials on the fourteenth day was approximated; i.e., an attempt was made not to overcrowd the vials but yet not undercrowd the vials (in order to promote egg retention).",
          "type": "quotation"
        },
        {
          "ref": "2002, Freshwater and Marine Aquarium - Volume 25, Issues 1-3, page 86",
          "text": "The steps to maintaining these criteria are simple; undercrowd, underfeed, properly filter, and do regular maintenance (in particular water changes) regularly.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To underfill; to fill with too low a population density."
      ],
      "id": "en-undercrowd-en-verb-ycsVRCQv",
      "links": [
        [
          "underfill",
          "underfill"
        ]
      ]
    }
  ],
  "word": "undercrowd"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "under",
        "3": "crowd"
      },
      "expansion": "under- + crowd",
      "name": "prefix"
    }
  ],
  "etymology_text": "under- + crowd",
  "forms": [
    {
      "form": "undercrowds",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "undercrowding",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "undercrowded",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "undercrowded",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "undercrowd (third-person singular simple present undercrowds, present participle undercrowding, simple past and past participle undercrowded)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English terms prefixed with under-",
        "English terms with quotations",
        "English verbs"
      ],
      "examples": [
        {
          "ref": "1952, California Teachers Association, CTA Journal - Volume 48, page 51",
          "text": "It is hard to set numerical limits on the size of classes, but it is certain that conditions in California tend to overcrowd rather than undercrowd.",
          "type": "quotation"
        },
        {
          "ref": "1989, Behavior genetics - Volume 19, page 304",
          "text": "The number of flies placed into the vials on the fourteenth day was approximated; i.e., an attempt was made not to overcrowd the vials but yet not undercrowd the vials (in order to promote egg retention).",
          "type": "quotation"
        },
        {
          "ref": "2002, Freshwater and Marine Aquarium - Volume 25, Issues 1-3, page 86",
          "text": "The steps to maintaining these criteria are simple; undercrowd, underfeed, properly filter, and do regular maintenance (in particular water changes) regularly.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To underfill; to fill with too low a population density."
      ],
      "links": [
        [
          "underfill",
          "underfill"
        ]
      ]
    }
  ],
  "word": "undercrowd"
}