"numerus currens" meaning in Latin

{
  "etymology_links": [
    [
      "numerus",
      "numerus#Latin"
    ],
    [
      "currēns",
      "currens#Latin"
    ]
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": ":af",
        "3": "numerus<t:number>",
        "4": "currēns<t:running>",
        "text": "+",
        "title": "numerus currēns",
        "tree": "1"
      },
      "expansion": "From numerus (“number”) + currēns (“running”).",
      "name": "ety"
    }
  ],
  "etymology_text": "From numerus (“number”) + currēns (“running”).",
  "forms": [
    {
      "form": "numerus currēns",
      "links": [
        [
          "numerus",
          "numerus"
        ],
        [
          "currēns",
          "currens"
        ]
      ],
      "tags": [
        "canonical",
        "masculine"
      ]
    },
    {
      "form": "numerī currentis",
      "links": [
        [
          "numerī currentis",
          "numeri currentis"
        ]
      ],
      "tags": [
        "genitive"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "numerus<2> currēns<3-P+>"
      },
      "expansion": "numerus currēns m (genitive numerī currentis); second declension",
      "name": "la-noun"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Latin entries with etymology texts",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Latin entries with etymon",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Latin entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Latin masculine nouns in the second declension",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages using etymon with no ID",
          "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": "Pages with etymon",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "serial number"
      ],
      "id": "en-numerus_currens-la-noun-kEQCKIrY",
      "links": [
        [
          "serial number",
          "serial number"
        ]
      ],
      "tags": [
        "declension-2"
      ]
    }
  ],
  "word": "numerus currens"
}

{
  "etymology_links": [
    [
      "numerus",
      "numerus#Latin"
    ],
    [
      "currēns",
      "currens#Latin"
    ]
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": ":af",
        "3": "numerus<t:number>",
        "4": "currēns<t:running>",
        "text": "+",
        "title": "numerus currēns",
        "tree": "1"
      },
      "expansion": "From numerus (“number”) + currēns (“running”).",
      "name": "ety"
    }
  ],
  "etymology_text": "From numerus (“number”) + currēns (“running”).",
  "forms": [
    {
      "form": "numerus currēns",
      "links": [
        [
          "numerus",
          "numerus"
        ],
        [
          "currēns",
          "currens"
        ]
      ],
      "tags": [
        "canonical",
        "masculine"
      ]
    },
    {
      "form": "numerī currentis",
      "links": [
        [
          "numerī currentis",
          "numeri currentis"
        ]
      ],
      "tags": [
        "genitive"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "numerus<2> currēns<3-P+>"
      },
      "expansion": "numerus currēns m (genitive numerī currentis); second declension",
      "name": "la-noun"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Latin compound terms",
        "Latin entries with etymology texts",
        "Latin entries with etymon",
        "Latin entries with incorrect language header",
        "Latin lemmas",
        "Latin masculine nouns",
        "Latin masculine nouns in the second declension",
        "Latin multiword terms",
        "Latin nouns",
        "Latin second declension nouns",
        "Latin terms derived from the Proto-Indo-European root *nem- (distribute)",
        "Latin terms derived from the Proto-Indo-European root *ḱers-",
        "Pages using etymon with no ID",
        "Pages with 1 entry",
        "Pages with entries",
        "Pages with etymon"
      ],
      "glosses": [
        "serial number"
      ],
      "links": [
        [
          "serial number",
          "serial number"
        ]
      ],
      "tags": [
        "declension-2"
      ]
    }
  ],
  "word": "numerus currens"
}