"TCAS" meaning in English

{
  "forms": [
    {
      "form": "TCASs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "+"
      },
      "expansion": "TCAS (usually uncountable, plural TCASs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(alert and) collision avoidance system, a system for warning pilots of impending mid-air collisions and telling them what (if any) evasive action to take",
          "word": "traffic"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Aviation",
          "orig": "en:Aviation",
          "parents": [
            "Aeronautics",
            "Transport",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "GCAS"
        },
        {
          "word": "RIMCAS"
        }
      ],
      "glosses": [
        "Initialism of traffic (alert and) collision avoidance system, a system for warning pilots of impending mid-air collisions and telling them what (if any) evasive action to take."
      ],
      "hypernyms": [
        {
          "word": "CAS"
        }
      ],
      "id": "en-TCAS-en-noun-76mKY1pt",
      "links": [
        [
          "aviation",
          "aviation"
        ],
        [
          "traffic",
          "traffic#English"
        ],
        [
          "collision",
          "collision#English"
        ],
        [
          "avoidance",
          "avoidance#English"
        ],
        [
          "system",
          "system#English"
        ],
        [
          "warn",
          "warn"
        ],
        [
          "pilot",
          "pilot"
        ],
        [
          "mid-air",
          "mid-air"
        ],
        [
          "collision",
          "collision"
        ],
        [
          "evasive action",
          "evasive action"
        ]
      ],
      "raw_glosses": [
        "(aviation) Initialism of traffic (alert and) collision avoidance system, a system for warning pilots of impending mid-air collisions and telling them what (if any) evasive action to take."
      ],
      "synonyms": [
        {
          "word": "ACAS"
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism",
        "uncountable",
        "usually"
      ],
      "topics": [
        "aeronautics",
        "aerospace",
        "aviation",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ],
      "wikipedia": [
        "TCAS"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈtiːˌkæs/"
    }
  ],
  "word": "TCAS"
}

{
  "coordinate_terms": [
    {
      "word": "GCAS"
    },
    {
      "word": "RIMCAS"
    }
  ],
  "forms": [
    {
      "form": "TCASs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "+"
      },
      "expansion": "TCAS (usually uncountable, plural TCASs)",
      "name": "en-noun"
    }
  ],
  "hypernyms": [
    {
      "word": "CAS"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(alert and) collision avoidance system, a system for warning pilots of impending mid-air collisions and telling them what (if any) evasive action to take",
          "word": "traffic"
        }
      ],
      "categories": [
        "English 2-syllable words",
        "English countable nouns",
        "English entries with incorrect language header",
        "English initialisms",
        "English lemmas",
        "English nouns",
        "English terms with IPA pronunciation",
        "English uncountable nouns",
        "en:Aviation"
      ],
      "glosses": [
        "Initialism of traffic (alert and) collision avoidance system, a system for warning pilots of impending mid-air collisions and telling them what (if any) evasive action to take."
      ],
      "links": [
        [
          "aviation",
          "aviation"
        ],
        [
          "traffic",
          "traffic#English"
        ],
        [
          "collision",
          "collision#English"
        ],
        [
          "avoidance",
          "avoidance#English"
        ],
        [
          "system",
          "system#English"
        ],
        [
          "warn",
          "warn"
        ],
        [
          "pilot",
          "pilot"
        ],
        [
          "mid-air",
          "mid-air"
        ],
        [
          "collision",
          "collision"
        ],
        [
          "evasive action",
          "evasive action"
        ]
      ],
      "raw_glosses": [
        "(aviation) Initialism of traffic (alert and) collision avoidance system, a system for warning pilots of impending mid-air collisions and telling them what (if any) evasive action to take."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism",
        "uncountable",
        "usually"
      ],
      "topics": [
        "aeronautics",
        "aerospace",
        "aviation",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ],
      "wikipedia": [
        "TCAS"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈtiːˌkæs/"
    }
  ],
  "synonyms": [
    {
      "word": "ACAS"
    }
  ],
  "word": "TCAS"
}