"migratorias" meaning in Español

{
  "categories": [
    {
      "kind": "other",
      "name": "ES:Palabras llanas",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "ES:Palabras tetrasílabas",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "ES:Rimas:o.ɾjas",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Español",
      "parents": [],
      "source": "w"
    }
  ],
  "extra_sounds": {
    "acentuación": "llana",
    "longitud silábica": "tetrasílaba"
  },
  "hyphenation": "mi-gra-to-rias",
  "lang": "Español",
  "lang_code": "es",
  "pos": "adj",
  "pos_title": "forma adjetiva",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "ES:Formas adjetivas en femenino",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "ES:Formas adjetivas en plural",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "migratorio"
        }
      ],
      "glosses": [
        "Forma del femenino plural de migratorio."
      ],
      "id": "es-migratorias-es-adj-rWBTx9uC",
      "sense_index": "1"
    }
  ],
  "sounds": [
    {
      "ipa": "[mi.ɣ̞ɾaˈt̪o.ɾjas]"
    },
    {
      "rhymes": "o.ɾjas"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "migratorias"
}

{
  "categories": [
    "ES:Palabras llanas",
    "ES:Palabras tetrasílabas",
    "ES:Rimas:o.ɾjas",
    "Español"
  ],
  "extra_sounds": {
    "acentuación": "llana",
    "longitud silábica": "tetrasílaba"
  },
  "hyphenation": "mi-gra-to-rias",
  "lang": "Español",
  "lang_code": "es",
  "pos": "adj",
  "pos_title": "forma adjetiva",
  "senses": [
    {
      "categories": [
        "ES:Formas adjetivas en femenino",
        "ES:Formas adjetivas en plural"
      ],
      "form_of": [
        {
          "word": "migratorio"
        }
      ],
      "glosses": [
        "Forma del femenino plural de migratorio."
      ],
      "sense_index": "1"
    }
  ],
  "sounds": [
    {
      "ipa": "[mi.ɣ̞ɾaˈt̪o.ɾjas]"
    },
    {
      "rhymes": "o.ɾjas"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "migratorias"
}