"crestless" meaning in English

{
  "derived": [
    {
      "_dis1": "0 0",
      "word": "crestlessness"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "crest",
        "3": "less"
      },
      "expansion": "crest + -less",
      "name": "suffix"
    }
  ],
  "etymology_text": "From crest + -less.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "crestless (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "_dis": "58 42",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "72 28",
          "kind": "other",
          "name": "English terms suffixed with -less",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "76 24",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "88 12",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "a crestless bird"
        }
      ],
      "glosses": [
        "Having no crest"
      ],
      "id": "en-crestless-en-adj-BRJiD9bN",
      "links": [
        [
          "crest",
          "crest"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    },
    {
      "glosses": [
        "Having no coat of arms"
      ],
      "id": "en-crestless-en-adj-swL8ie4F",
      "links": [
        [
          "coat of arms",
          "coat of arms"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "crestless"
}

{
  "categories": [
    "English adjectives",
    "English entries with incorrect language header",
    "English lemmas",
    "English terms suffixed with -less",
    "English uncomparable adjectives",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "derived": [
    {
      "word": "crestlessness"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "crest",
        "3": "less"
      },
      "expansion": "crest + -less",
      "name": "suffix"
    }
  ],
  "etymology_text": "From crest + -less.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "crestless (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "examples": [
        {
          "text": "a crestless bird"
        }
      ],
      "glosses": [
        "Having no crest"
      ],
      "links": [
        [
          "crest",
          "crest"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    },
    {
      "glosses": [
        "Having no coat of arms"
      ],
      "links": [
        [
          "coat of arms",
          "coat of arms"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "crestless"
}