"FIRO" meaning in English

{
  "etymology_text": "From first in, random out.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "FIRO (uncountable)",
      "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": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "sense": "service discipline",
          "word": "FIFO"
        },
        {
          "sense": "service discipline",
          "word": "LIFO"
        },
        {
          "sense": "service discipline",
          "word": "stack"
        }
      ],
      "glosses": [
        "A service discipline for a queue in which the order of service is random."
      ],
      "id": "en-FIRO-en-noun-QbYi2vxm",
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "FIRO"
}

{
  "coordinate_terms": [
    {
      "sense": "service discipline",
      "word": "FIFO"
    },
    {
      "sense": "service discipline",
      "word": "LIFO"
    },
    {
      "sense": "service discipline",
      "word": "stack"
    }
  ],
  "etymology_text": "From first in, random out.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "FIRO (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A service discipline for a queue in which the order of service is random."
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "FIRO"
}