"tra" meaning in English

{
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "vi",
        "3": "cá tra",
        "4": "(cá) tra"
      },
      "expansion": "Vietnamese (cá) tra",
      "name": "bor"
    },
    {
      "args": {
        "1": "en",
        "2": "km",
        "3": "ប្រា",
        "4": "",
        "5": "certain Pangasius species"
      },
      "expansion": "Khmer ប្រា (praa, “certain Pangasius species”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Vietnamese (cá) tra, from Khmer ប្រា (praa, “certain Pangasius species”).",
  "forms": [
    {
      "form": "tra",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "tra (plural tra)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "8 92",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "8 92",
          "kind": "other",
          "langcode": "en",
          "name": "Catfish",
          "orig": "en:Catfish",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Synonym of iridescent shark (“a shark catfish of species Pangasianodon hypophthalmus”)."
      ],
      "id": "en-tra-en-noun-w2EdNaj9",
      "links": [
        [
          "iridescent shark",
          "iridescent shark#English"
        ],
        [
          "shark catfish",
          "shark catfish"
        ],
        [
          "Pangasianodon hypophthalmus",
          "Pangasianodon hypophthalmus#Translingual"
        ]
      ],
      "synonyms": [
        {
          "extra": "a shark catfish of species Pangasianodon hypophthalmus",
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "iridescent shark"
        }
      ]
    }
  ],
  "word": "tra"
}

{
  "etymology_number": 2,
  "etymology_text": "From tra-la-la.",
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "glosses": [
        "A meaningless syllable used when singing a tune."
      ],
      "id": "en-tra-en-intj-9-dcwP6K"
    }
  ],
  "word": "tra"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English indeclinable nouns",
    "English interjections",
    "English lemmas",
    "English nouns",
    "English nouns with irregular plurals",
    "English terms borrowed from Vietnamese",
    "English terms derived from Khmer",
    "English terms derived from Vietnamese",
    "Pages with 19 entries",
    "Pages with entries",
    "en:Catfish"
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "vi",
        "3": "cá tra",
        "4": "(cá) tra"
      },
      "expansion": "Vietnamese (cá) tra",
      "name": "bor"
    },
    {
      "args": {
        "1": "en",
        "2": "km",
        "3": "ប្រា",
        "4": "",
        "5": "certain Pangasius species"
      },
      "expansion": "Khmer ប្រា (praa, “certain Pangasius species”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Vietnamese (cá) tra, from Khmer ប្រា (praa, “certain Pangasius species”).",
  "forms": [
    {
      "form": "tra",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "tra (plural tra)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "Synonym of iridescent shark (“a shark catfish of species Pangasianodon hypophthalmus”)."
      ],
      "links": [
        [
          "iridescent shark",
          "iridescent shark#English"
        ],
        [
          "shark catfish",
          "shark catfish"
        ],
        [
          "Pangasianodon hypophthalmus",
          "Pangasianodon hypophthalmus#Translingual"
        ]
      ],
      "synonyms": [
        {
          "extra": "a shark catfish of species Pangasianodon hypophthalmus",
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "iridescent shark"
        }
      ]
    }
  ],
  "word": "tra"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English interjections",
    "English lemmas",
    "Pages with 19 entries",
    "Pages with entries",
    "en:Catfish"
  ],
  "etymology_number": 2,
  "etymology_text": "From tra-la-la.",
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "glosses": [
        "A meaningless syllable used when singing a tune."
      ]
    }
  ],
  "word": "tra"
}