"seismicus" meaning in Latin

{
  "forms": [
    {
      "form": "seismica",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "seismicum",
      "tags": [
        "neuter"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "seismicus"
      },
      "expansion": "seismicus (feminine seismica, neuter seismicum); first/second-declension adjective",
      "name": "la-adj"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "sīsmicus"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Contemporary Latin",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Latin entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "misspelling of sīsmicus"
      ],
      "id": "en-seismicus-la-adj-tXHJeVex",
      "links": [
        [
          "sīsmicus",
          "sismicus#Latin"
        ]
      ],
      "qualifier": "Contemporary Latin",
      "raw_glosses": [
        "(Contemporary Latin) misspelling of sīsmicus"
      ],
      "tags": [
        "adjective",
        "alt-of",
        "declension-1",
        "declension-2",
        "misspelling"
      ]
    }
  ],
  "word": "seismicus"
}

{
  "forms": [
    {
      "form": "seismica",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "seismicum",
      "tags": [
        "neuter"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "seismicus"
      },
      "expansion": "seismicus (feminine seismica, neuter seismicum); first/second-declension adjective",
      "name": "la-adj"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "sīsmicus"
        }
      ],
      "categories": [
        "Contemporary Latin",
        "Latin adjectives",
        "Latin entries with incorrect language header",
        "Latin first and second declension adjectives",
        "Latin lemmas",
        "Latin misspellings",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "misspelling of sīsmicus"
      ],
      "links": [
        [
          "sīsmicus",
          "sismicus#Latin"
        ]
      ],
      "qualifier": "Contemporary Latin",
      "raw_glosses": [
        "(Contemporary Latin) misspelling of sīsmicus"
      ],
      "tags": [
        "adjective",
        "alt-of",
        "declension-1",
        "declension-2",
        "misspelling"
      ]
    }
  ],
  "word": "seismicus"
}