"green man" meaning in English

{
  "forms": [
    {
      "form": "green men",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "green men"
      },
      "expansion": "green man (plural green men)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A small figure of a walking man illuminated in green on a traffic light at a pedestrian crossing, indicating that it is safe to cross the road."
      ],
      "id": "en-green_man-en-noun-9GxfqUvG",
      "links": [
        [
          "walking",
          "walking"
        ],
        [
          "traffic light",
          "traffic light"
        ],
        [
          "pedestrian crossing",
          "pedestrian crossing"
        ]
      ],
      "raw_glosses": [
        "(chiefly UK) A small figure of a walking man illuminated in green on a traffic light at a pedestrian crossing, indicating that it is safe to cross the road."
      ],
      "related": [
        {
          "word": "Green Man"
        },
        {
          "word": "little green man"
        }
      ],
      "tags": [
        "UK"
      ]
    }
  ],
  "word": "green man"
}

{
  "forms": [
    {
      "form": "green men",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "green men"
      },
      "expansion": "green man (plural green men)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "Green Man"
    },
    {
      "word": "little green man"
    }
  ],
  "senses": [
    {
      "categories": [
        "British English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns"
      ],
      "glosses": [
        "A small figure of a walking man illuminated in green on a traffic light at a pedestrian crossing, indicating that it is safe to cross the road."
      ],
      "links": [
        [
          "walking",
          "walking"
        ],
        [
          "traffic light",
          "traffic light"
        ],
        [
          "pedestrian crossing",
          "pedestrian crossing"
        ]
      ],
      "raw_glosses": [
        "(chiefly UK) A small figure of a walking man illuminated in green on a traffic light at a pedestrian crossing, indicating that it is safe to cross the road."
      ],
      "tags": [
        "UK"
      ]
    }
  ],
  "word": "green man"
}