"gras bilong het" meaning in Tok Pisin

{
  "etymology_text": "gras (general concept of growing) + bilong (general concept of belonging to) + het (head). Thus it is literally \"The grass that grows on heads.\"",
  "head_templates": [
    {
      "args": {
        "1": "tpi",
        "2": "noun",
        "head": "gras bilong het"
      },
      "expansion": "gras bilong het",
      "name": "head"
    }
  ],
  "lang": "Tok Pisin",
  "lang_code": "tpi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Tok Pisin entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "tpi",
          "name": "Anatomy",
          "orig": "tpi:Anatomy",
          "parents": [
            "Biology",
            "Medicine",
            "Sciences",
            "Healthcare",
            "All topics",
            "Health",
            "Fundamental",
            "Body"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "hair"
      ],
      "id": "en-gras_bilong_het-tpi-noun-TcIVm7oF",
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "hair",
          "hair"
        ]
      ],
      "raw_glosses": [
        "(anatomy) hair"
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "gras bilong het"
}

{
  "etymology_text": "gras (general concept of growing) + bilong (general concept of belonging to) + het (head). Thus it is literally \"The grass that grows on heads.\"",
  "head_templates": [
    {
      "args": {
        "1": "tpi",
        "2": "noun",
        "head": "gras bilong het"
      },
      "expansion": "gras bilong het",
      "name": "head"
    }
  ],
  "lang": "Tok Pisin",
  "lang_code": "tpi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Tok Pisin entries with incorrect language header",
        "Tok Pisin lemmas",
        "Tok Pisin multiword terms",
        "Tok Pisin nouns",
        "Tok Pisin terms with redundant head parameter",
        "tpi:Anatomy"
      ],
      "glosses": [
        "hair"
      ],
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "hair",
          "hair"
        ]
      ],
      "raw_glosses": [
        "(anatomy) hair"
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "gras bilong het"
}