"messer" meaning in Italian

{
  "etymology_text": "Truncated form of messere.",
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "messer m",
      "name": "it-noun"
    }
  ],
  "hyphenation": [
    "mes‧sèr"
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "form of address equivalent to signore"
      ],
      "id": "en-messer-it-noun-DFH6vCG6",
      "links": [
        [
          "signore",
          "signore#English"
        ]
      ],
      "raw_glosses": [
        "(obsolete) form of address equivalent to signore"
      ],
      "tags": [
        "masculine",
        "obsolete"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/mesˈsɛr/"
    },
    {
      "rhymes": "-ɛr"
    }
  ],
  "word": "messer"
}

{
  "etymology_text": "Truncated form of messere.",
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "messer m",
      "name": "it-noun"
    }
  ],
  "hyphenation": [
    "mes‧sèr"
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Italian 2-syllable words",
        "Italian entries with incorrect language header",
        "Italian lemmas",
        "Italian masculine nouns",
        "Italian nouns",
        "Italian terms with IPA pronunciation",
        "Italian terms with obsolete senses",
        "Rhymes:Italian/ɛr",
        "Rhymes:Italian/ɛr/2 syllables"
      ],
      "glosses": [
        "form of address equivalent to signore"
      ],
      "links": [
        [
          "signore",
          "signore#English"
        ]
      ],
      "raw_glosses": [
        "(obsolete) form of address equivalent to signore"
      ],
      "tags": [
        "masculine",
        "obsolete"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/mesˈsɛr/"
    },
    {
      "rhymes": "-ɛr"
    }
  ],
  "word": "messer"
}