"articular facet" meaning in English

{
  "forms": [
    {
      "form": "articular facets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "articular facet (plural articular facets)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Russian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Anatomy",
          "orig": "en:Anatomy",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "a surface where two anatomical structures (usually bones) meet"
      ],
      "id": "en-articular_facet-en-noun-BWgAi5Rn",
      "links": [
        [
          "anatomy",
          "anatomy"
        ]
      ],
      "raw_glosses": [
        "(anatomy) a surface where two anatomical structures (usually bones) meet"
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ],
      "translations": [
        {
          "code": "ru",
          "lang": "Russian",
          "lang_code": "ru",
          "roman": "sustávnaja povérxnostʹ",
          "sense": "anatomical meeting surface",
          "tags": [
            "feminine"
          ],
          "word": "суста́вная пове́рхность"
        }
      ]
    }
  ],
  "word": "articular facet"
}

{
  "forms": [
    {
      "form": "articular facets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "articular facet (plural articular facets)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Russian translations",
        "en:Anatomy"
      ],
      "glosses": [
        "a surface where two anatomical structures (usually bones) meet"
      ],
      "links": [
        [
          "anatomy",
          "anatomy"
        ]
      ],
      "raw_glosses": [
        "(anatomy) a surface where two anatomical structures (usually bones) meet"
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "ru",
      "lang": "Russian",
      "lang_code": "ru",
      "roman": "sustávnaja povérxnostʹ",
      "sense": "anatomical meeting surface",
      "tags": [
        "feminine"
      ],
      "word": "суста́вная пове́рхность"
    }
  ],
  "word": "articular facet"
}