"REN" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "ringer equivalence number"
        }
      ],
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          "parents": [
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          "parents": [],
          "source": "w"
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          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Telecommunications",
          "orig": "en:Telecommunications",
          "parents": [
            "Communication",
            "Technology",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "Initialism of ringer equivalence number."
      ],
      "id": "en-REN-en-noun-MlVGeYPt",
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        [
          "telecommunications",
          "telecommunications"
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          "ringer equivalence number",
          "ringer equivalence number#English"
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      "raw_glosses": [
        "(telecommunications) Initialism of ringer equivalence number."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
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      "topics": [
        "communications",
        "electrical-engineering",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "telecommunications"
      ]
    }
  ],
  "word": "REN"
}

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      "expansion": "REN",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "ringer equivalence number"
        }
      ],
      "categories": [
        "English countable nouns",
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        "en:Telecommunications"
      ],
      "glosses": [
        "Initialism of ringer equivalence number."
      ],
      "links": [
        [
          "telecommunications",
          "telecommunications"
        ],
        [
          "ringer equivalence number",
          "ringer equivalence number#English"
        ]
      ],
      "raw_glosses": [
        "(telecommunications) Initialism of ringer equivalence number."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ],
      "topics": [
        "communications",
        "electrical-engineering",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "telecommunications"
      ]
    }
  ],
  "word": "REN"
}