"tiapai" meaning in Pirahã

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en pirahã",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Pirahã",
      "orig": "pirahã",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Mot recueilli par Daniel L. Everett^([1])."
  ],
  "lang": "Pirahã",
  "lang_code": "myp",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "glosses": [
        "Partie inférieure."
      ],
      "id": "fr-tiapai-myp-noun-p6shNEfh"
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en pirahã de l’anatomie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Fesse."
      ],
      "id": "fr-tiapai-myp-noun-l6pAzIf2",
      "topics": [
        "anatomy"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en pirahã de l’anatomie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Hanche."
      ],
      "id": "fr-tiapai-myp-noun-Cxr00OBo",
      "topics": [
        "anatomy"
      ]
    }
  ],
  "word": "tiapai"
}

{
  "categories": [
    "Noms communs en pirahã",
    "pirahã"
  ],
  "etymology_texts": [
    "Mot recueilli par Daniel L. Everett^([1])."
  ],
  "lang": "Pirahã",
  "lang_code": "myp",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "glosses": [
        "Partie inférieure."
      ]
    },
    {
      "categories": [
        "Lexique en pirahã de l’anatomie"
      ],
      "glosses": [
        "Fesse."
      ],
      "topics": [
        "anatomy"
      ]
    },
    {
      "categories": [
        "Lexique en pirahã de l’anatomie"
      ],
      "glosses": [
        "Hanche."
      ],
      "topics": [
        "anatomy"
      ]
    }
  ],
  "word": "tiapai"
}