"ckm" meaning in Polish

{
  "etymology_templates": [
    {
      "args": {
        "1": "pl",
        "2": "ciężki karabin maszynowy<t:medium machine gun>"
      },
      "expansion": "Abbreviation of ciężki karabin maszynowy (“medium machine gun”)",
      "name": "abbrev"
    }
  ],
  "etymology_text": "Abbreviation of ciężki karabin maszynowy (“medium machine gun”).",
  "head_templates": [
    {
      "args": {
        "1": "m-in",
        "indecl": "1"
      },
      "expansion": "ckm m inan (indeclinable)",
      "name": "pl-noun"
    }
  ],
  "lang": "Polish",
  "lang_code": "pl",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "medium machine gun",
          "word": "ciężki karabin maszynowy"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Polish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "pl",
          "name": "Firearms",
          "orig": "pl:Firearms",
          "parents": [
            "Weapons",
            "Hunting",
            "Military",
            "Tools",
            "Human activity",
            "Society",
            "Technology",
            "Human behaviour",
            "All topics",
            "Human",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of ciężki karabin maszynowy (“medium machine gun”)."
      ],
      "id": "en-ckm-pl-noun-tmR5aDwT",
      "links": [
        [
          "firearm",
          "firearm"
        ],
        [
          "ciężki karabin maszynowy",
          "ciężki karabin maszynowy#Polish"
        ]
      ],
      "raw_glosses": [
        "(firearms) Abbreviation of ciężki karabin maszynowy (“medium machine gun”)."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "inanimate",
        "indeclinable",
        "masculine"
      ],
      "topics": [
        "engineering",
        "firearms",
        "government",
        "military",
        "natural-sciences",
        "physical-sciences",
        "politics",
        "tools",
        "war",
        "weaponry"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/t͡sɛ.kaˈɛm/"
    },
    {
      "rhymes": "-ɛm"
    },
    {
      "homophone": "cekaem"
    }
  ],
  "word": "ckm"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "pl",
        "2": "ciężki karabin maszynowy<t:medium machine gun>"
      },
      "expansion": "Abbreviation of ciężki karabin maszynowy (“medium machine gun”)",
      "name": "abbrev"
    }
  ],
  "etymology_text": "Abbreviation of ciężki karabin maszynowy (“medium machine gun”).",
  "head_templates": [
    {
      "args": {
        "1": "m-in",
        "indecl": "1"
      },
      "expansion": "ckm m inan (indeclinable)",
      "name": "pl-noun"
    }
  ],
  "lang": "Polish",
  "lang_code": "pl",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "medium machine gun",
          "word": "ciężki karabin maszynowy"
        }
      ],
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Polish 3-syllable words",
        "Polish abbreviations",
        "Polish entries with incorrect language header",
        "Polish inanimate nouns",
        "Polish indeclinable nouns",
        "Polish lemmas",
        "Polish masculine nouns",
        "Polish nouns",
        "Polish terms with IPA pronunciation",
        "Polish terms with audio pronunciation",
        "Polish terms with homophones",
        "Rhymes:Polish/ɛm",
        "Rhymes:Polish/ɛm/3 syllables",
        "pl:Firearms"
      ],
      "glosses": [
        "Abbreviation of ciężki karabin maszynowy (“medium machine gun”)."
      ],
      "links": [
        [
          "firearm",
          "firearm"
        ],
        [
          "ciężki karabin maszynowy",
          "ciężki karabin maszynowy#Polish"
        ]
      ],
      "raw_glosses": [
        "(firearms) Abbreviation of ciężki karabin maszynowy (“medium machine gun”)."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "inanimate",
        "indeclinable",
        "masculine"
      ],
      "topics": [
        "engineering",
        "firearms",
        "government",
        "military",
        "natural-sciences",
        "physical-sciences",
        "politics",
        "tools",
        "war",
        "weaponry"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/t͡sɛ.kaˈɛm/"
    },
    {
      "rhymes": "-ɛm"
    },
    {
      "homophone": "cekaem"
    }
  ],
  "word": "ckm"
}