"σήματα" meaning in Ancient Greek

{
  "forms": [
    {
      "form": "σήμᾰτᾰ",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sḗmătă",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "σήμᾰτᾰ"
      },
      "expansion": "σήμᾰτᾰ • (sḗmătă)",
      "name": "grc-noun form"
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ancient Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "sêma",
          "word": "σῆμα"
        }
      ],
      "glosses": [
        "nominative/accusative/vocative plural of σῆμα (sêma)"
      ],
      "id": "en-σήματα-grc-noun-ZAwp39Gm",
      "links": [
        [
          "σῆμα",
          "σῆμα#Ancient_Greek"
        ]
      ],
      "synonyms": [
        {
          "roman": "sḗmat’",
          "word": "σήματ’"
        }
      ],
      "tags": [
        "accusative",
        "form-of",
        "nominative",
        "plural",
        "vocative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/sɛ̌ː.ma.ta/"
    },
    {
      "ipa": "/ˈsi.ma.ta/"
    },
    {
      "ipa": "/ˈsi.ma.ta/"
    },
    {
      "ipa": "/sɛ̌ː.ma.ta/",
      "note": "5ᵗʰ BCE Attic"
    },
    {
      "ipa": "/ˈse̝.ma.ta/",
      "note": "1ˢᵗ CE Egyptian"
    },
    {
      "ipa": "/ˈsi.ma.ta/",
      "note": "4ᵗʰ CE Koine"
    },
    {
      "ipa": "/ˈsi.ma.ta/",
      "note": "10ᵗʰ CE Byzantine"
    },
    {
      "ipa": "/ˈsi.ma.ta/",
      "note": "15ᵗʰ CE Constantinopolitan"
    }
  ],
  "word": "σήματα"
}

{
  "forms": [
    {
      "form": "σήμᾰτᾰ",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sḗmătă",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "σήμᾰτᾰ"
      },
      "expansion": "σήμᾰτᾰ • (sḗmătă)",
      "name": "grc-noun form"
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Ancient Greek 3-syllable words",
        "Ancient Greek entries with incorrect language header",
        "Ancient Greek non-lemma forms",
        "Ancient Greek noun forms",
        "Ancient Greek proparoxytone terms",
        "Ancient Greek terms with IPA pronunciation",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "form_of": [
        {
          "extra": "sêma",
          "word": "σῆμα"
        }
      ],
      "glosses": [
        "nominative/accusative/vocative plural of σῆμα (sêma)"
      ],
      "links": [
        [
          "σῆμα",
          "σῆμα#Ancient_Greek"
        ]
      ],
      "tags": [
        "accusative",
        "form-of",
        "nominative",
        "plural",
        "vocative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/sɛ̌ː.ma.ta/"
    },
    {
      "ipa": "/ˈsi.ma.ta/"
    },
    {
      "ipa": "/ˈsi.ma.ta/"
    },
    {
      "ipa": "/sɛ̌ː.ma.ta/",
      "note": "5ᵗʰ BCE Attic"
    },
    {
      "ipa": "/ˈse̝.ma.ta/",
      "note": "1ˢᵗ CE Egyptian"
    },
    {
      "ipa": "/ˈsi.ma.ta/",
      "note": "4ᵗʰ CE Koine"
    },
    {
      "ipa": "/ˈsi.ma.ta/",
      "note": "10ᵗʰ CE Byzantine"
    },
    {
      "ipa": "/ˈsi.ma.ta/",
      "note": "15ᵗʰ CE Constantinopolitan"
    }
  ],
  "synonyms": [
    {
      "roman": "sḗmat’",
      "word": "σήματ’"
    }
  ],
  "word": "σήματα"
}