"kt" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Symboles en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Unités de mesure en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "symbol",
  "pos_title": "Symbole",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en anglais de la bijouterie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Symbole du carat, unité de pureté de l’or."
      ],
      "id": "fr-kt-en-symbol-pSFWqRgX",
      "topics": [
        "jewelry"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en anglais de la marine",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en anglais de l’aviation",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Symbole du nœud, unité de vitesse valant exactement 1,852 km/h."
      ],
      "id": "fr-kt-en-symbol-Ho7aApH4",
      "topics": [
        "aviation",
        "nautical"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "nœud",
      "word": "kn"
    }
  ],
  "word": "kt"
}

{
  "categories": [
    "Symboles en anglais",
    "Unités de mesure en anglais",
    "anglais"
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "symbol",
  "pos_title": "Symbole",
  "senses": [
    {
      "categories": [
        "Lexique en anglais de la bijouterie"
      ],
      "glosses": [
        "Symbole du carat, unité de pureté de l’or."
      ],
      "topics": [
        "jewelry"
      ]
    },
    {
      "categories": [
        "Lexique en anglais de la marine",
        "Lexique en anglais de l’aviation"
      ],
      "glosses": [
        "Symbole du nœud, unité de vitesse valant exactement 1,852 km/h."
      ],
      "topics": [
        "aviation",
        "nautical"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "nœud",
      "word": "kn"
    }
  ],
  "word": "kt"
}