"petty jury" meaning in English

{
  "forms": [
    {
      "form": "petty juries",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "petty jury (plural petty juries)",
      "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"
        },
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          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Law",
          "orig": "en:Law",
          "parents": [
            "Justice",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Synonym of petit jury."
      ],
      "id": "en-petty_jury-en-noun-s0HnAVUY",
      "links": [
        [
          "law",
          "law#English"
        ],
        [
          "petit jury",
          "petit jury#English"
        ]
      ],
      "raw_glosses": [
        "(law) Synonym of petit jury."
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "petit jury"
        }
      ],
      "topics": [
        "law"
      ]
    }
  ],
  "word": "petty jury"
}

{
  "forms": [
    {
      "form": "petty juries",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "petty jury (plural petty juries)",
      "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",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Law"
      ],
      "glosses": [
        "Synonym of petit jury."
      ],
      "links": [
        [
          "law",
          "law#English"
        ],
        [
          "petit jury",
          "petit jury#English"
        ]
      ],
      "raw_glosses": [
        "(law) Synonym of petit jury."
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "petit jury"
        }
      ],
      "topics": [
        "law"
      ]
    }
  ],
  "word": "petty jury"
}