"pesciu sega" meaning in Corsican

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "pesce sega"
      },
      "expansion": "Italian pesce sega",
      "name": "cog"
    }
  ],
  "etymology_text": "From pesciu (“fish”) + sega (“saw”). Akin to Italian pesce sega.",
  "head_templates": [
    {
      "args": {
        "1": "co",
        "2": "noun",
        "g": "m"
      },
      "expansion": "pesciu sega m",
      "name": "head"
    }
  ],
  "lang": "Corsican",
  "lang_code": "co",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Corsican entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "co",
          "name": "Rays and skates",
          "orig": "co:Rays and skates",
          "parents": [
            "Fish",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "smalltooth sawfish (Pristis pectinata)"
      ],
      "id": "en-pesciu_sega-co-noun-pD0T7-aR",
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌpeʃːu ˈsɛɡa/"
    }
  ],
  "word": "pesciu sega"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "pesce sega"
      },
      "expansion": "Italian pesce sega",
      "name": "cog"
    }
  ],
  "etymology_text": "From pesciu (“fish”) + sega (“saw”). Akin to Italian pesce sega.",
  "head_templates": [
    {
      "args": {
        "1": "co",
        "2": "noun",
        "g": "m"
      },
      "expansion": "pesciu sega m",
      "name": "head"
    }
  ],
  "lang": "Corsican",
  "lang_code": "co",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Corsican entries with incorrect language header",
        "Corsican lemmas",
        "Corsican masculine nouns",
        "Corsican multiword terms",
        "Corsican nouns",
        "Corsican terms with IPA pronunciation",
        "Entries missing English vernacular names of taxa",
        "Entries using missing taxonomic name (species)",
        "co:Rays and skates"
      ],
      "glosses": [
        "smalltooth sawfish (Pristis pectinata)"
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌpeʃːu ˈsɛɡa/"
    }
  ],
  "word": "pesciu sega"
}