"clas" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "cy",
        "3": "clas"
      },
      "expansion": "Welsh clas",
      "name": "bor"
    },
    {
      "args": {
        "1": "en",
        "2": "wlm",
        "3": "clas"
      },
      "expansion": "Middle Welsh clas",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "cel-bry-pro",
        "3": "*klas"
      },
      "expansion": "Proto-Brythonic *klas",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "classis"
      },
      "expansion": "Latin classis",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "class",
        "3": "classis"
      },
      "expansion": "Doublet of class and classis",
      "name": "doublet"
    }
  ],
  "etymology_text": "From Welsh clas, from Middle Welsh clas, from Proto-Brythonic *klas, from Latin classis. Doublet of class and classis.",
  "head_templates": [
    {
      "args": {
        "1": "?"
      },
      "expansion": "clas",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 5 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Monasticism",
          "orig": "en:Monasticism",
          "parents": [
            "Religion",
            "Culture",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A Celtic monastery"
      ],
      "id": "en-clas-en-noun-GNJ0mvbS",
      "links": [
        [
          "Celtic",
          "Celtic"
        ],
        [
          "monastery",
          "monastery"
        ]
      ]
    }
  ],
  "word": "clas"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "cy",
        "3": "clas"
      },
      "expansion": "Welsh clas",
      "name": "bor"
    },
    {
      "args": {
        "1": "en",
        "2": "wlm",
        "3": "clas"
      },
      "expansion": "Middle Welsh clas",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "cel-bry-pro",
        "3": "*klas"
      },
      "expansion": "Proto-Brythonic *klas",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "classis"
      },
      "expansion": "Latin classis",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "class",
        "3": "classis"
      },
      "expansion": "Doublet of class and classis",
      "name": "doublet"
    }
  ],
  "etymology_text": "From Welsh clas, from Middle Welsh clas, from Proto-Brythonic *klas, from Latin classis. Doublet of class and classis.",
  "head_templates": [
    {
      "args": {
        "1": "?"
      },
      "expansion": "clas",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English doublets",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English nouns with unknown or uncertain plurals",
        "English terms borrowed from Welsh",
        "English terms derived from Latin",
        "English terms derived from Middle Welsh",
        "English terms derived from Proto-Brythonic",
        "English terms derived from Welsh",
        "Pages with 5 entries",
        "Pages with entries",
        "en:Monasticism"
      ],
      "glosses": [
        "A Celtic monastery"
      ],
      "links": [
        [
          "Celtic",
          "Celtic"
        ],
        [
          "monastery",
          "monastery"
        ]
      ]
    }
  ],
  "word": "clas"
}