"DRO" meaning in English

{
  "forms": [
    {
      "form": "DROs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "DRO (plural DROs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "distant retrograde orbit"
        }
      ],
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Space",
          "orig": "en:Space",
          "parents": [
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "57 43",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "58 42",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "65 35",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "56 44",
          "kind": "topical",
          "langcode": "en",
          "name": "Orbits",
          "orig": "en:Orbits",
          "parents": [
            "Astronautics",
            "Curves",
            "Gravity",
            "Space",
            "Applied sciences",
            "Shapes",
            "Acceleration",
            "Astrophysics",
            "Mechanics",
            "Nature",
            "Sciences",
            "Geometry",
            "Physics",
            "Astronomy",
            "All topics",
            "Mathematics",
            "Fundamental",
            "Formal sciences"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Abbreviation of distant retrograde orbit."
      ],
      "id": "en-DRO-en-noun-0ewu-q5c",
      "links": [
        [
          "space science",
          "space science"
        ],
        [
          "distant retrograde orbit",
          "distant retrograde orbit#English"
        ]
      ],
      "raw_glosses": [
        "(space science) Abbreviation of distant retrograde orbit."
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "aerospace",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "space-science"
      ]
    },
    {
      "alt_of": [
        {
          "word": "digital readout"
        }
      ],
      "categories": [],
      "glosses": [
        "Abbreviation of digital readout."
      ],
      "id": "en-DRO-en-noun-pmLvscfv",
      "links": [
        [
          "digital readout",
          "digital readout#English"
        ]
      ],
      "related": [
        {
          "_dis1": "43 57",
          "english": "low Earth orbit",
          "word": "LEO"
        },
        {
          "_dis1": "43 57",
          "alt": "geostationary orbit/geostationary Earth orbit",
          "word": "GEO"
        },
        {
          "_dis1": "43 57",
          "alt": "geosynchronous orbit/geosynchronous Earth orbit",
          "word": "GSO"
        },
        {
          "_dis1": "43 57",
          "english": "highly elliptical orbit",
          "word": "HEO"
        },
        {
          "_dis1": "43 57",
          "english": "lunar transfer orbit",
          "word": "LTO"
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "DRO"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "Pages with 1 entry",
    "Pages with entries",
    "en:Orbits"
  ],
  "forms": [
    {
      "form": "DROs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "DRO (plural DROs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "english": "low Earth orbit",
      "word": "LEO"
    },
    {
      "alt": "geostationary orbit/geostationary Earth orbit",
      "word": "GEO"
    },
    {
      "alt": "geosynchronous orbit/geosynchronous Earth orbit",
      "word": "GSO"
    },
    {
      "english": "highly elliptical orbit",
      "word": "HEO"
    },
    {
      "english": "lunar transfer orbit",
      "word": "LTO"
    }
  ],
  "senses": [
    {
      "alt_of": [
        {
          "word": "distant retrograde orbit"
        }
      ],
      "categories": [
        "English abbreviations",
        "en:Space"
      ],
      "glosses": [
        "Abbreviation of distant retrograde orbit."
      ],
      "links": [
        [
          "space science",
          "space science"
        ],
        [
          "distant retrograde orbit",
          "distant retrograde orbit#English"
        ]
      ],
      "raw_glosses": [
        "(space science) Abbreviation of distant retrograde orbit."
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "aerospace",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "space-science"
      ]
    },
    {
      "alt_of": [
        {
          "word": "digital readout"
        }
      ],
      "categories": [
        "English abbreviations"
      ],
      "glosses": [
        "Abbreviation of digital readout."
      ],
      "links": [
        [
          "digital readout",
          "digital readout#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "DRO"
}