"signalgrass" meaning in English

{
  "forms": [
    {
      "form": "signalgrasses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "signalgrass (countable and uncountable, plural signalgrasses)",
      "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": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Paniceae tribe grasses",
          "orig": "en:Paniceae tribe grasses",
          "parents": [
            "Grasses",
            "Commelinids",
            "Plants",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A broadleaf weed Brachiaria platyphylla"
      ],
      "id": "en-signalgrass-en-noun-igQq3dhn",
      "links": [
        [
          "broadleaf",
          "broadleaf"
        ],
        [
          "weed",
          "weed"
        ]
      ],
      "synonyms": [
        {
          "word": "signal grass"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "signalgrass"
}

{
  "forms": [
    {
      "form": "signalgrasses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "signalgrass (countable and uncountable, plural signalgrasses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English nouns",
        "English uncountable nouns",
        "Entries using missing taxonomic name (species)",
        "en:Paniceae tribe grasses"
      ],
      "glosses": [
        "A broadleaf weed Brachiaria platyphylla"
      ],
      "links": [
        [
          "broadleaf",
          "broadleaf"
        ],
        [
          "weed",
          "weed"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "signal grass"
    }
  ],
  "word": "signalgrass"
}