"father-to-be" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "father",
        "3": "to-be"
      },
      "expansion": "father + -to-be",
      "name": "suffix"
    }
  ],
  "etymology_text": "father + -to-be",
  "forms": [
    {
      "form": "fathers-to-be",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fathers-to-be"
      },
      "expansion": "father-to-be (plural fathers-to-be)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
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          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -to-be",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mandarin terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Pregnancy",
          "orig": "en:Pregnancy",
          "parents": [
            "Body",
            "Gynaecology",
            "Human",
            "Female",
            "Medicine",
            "All topics",
            "Gender",
            "Biology",
            "Sciences",
            "Fundamental",
            "Psychology",
            "Sociology",
            "Social sciences",
            "Society"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A male partner of a pregnant woman (mother-to-be), especially when she is pregnant for the first time."
      ],
      "id": "en-father-to-be-en-noun-b8-nsNfN",
      "links": [
        [
          "pregnant",
          "pregnant"
        ],
        [
          "woman",
          "woman"
        ],
        [
          "mother-to-be",
          "mother-to-be"
        ]
      ],
      "translations": [
        {
          "code": "eu",
          "lang": "Basque",
          "sense": "male partner of a pregnant woman",
          "word": "aitagai"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "male partner of a pregnant woman",
          "word": "準爸爸"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "zhǔnbàba",
          "sense": "male partner of a pregnant woman",
          "word": "准爸爸"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "male partner of a pregnant woman",
          "word": "tuleva isä"
        }
      ]
    }
  ],
  "word": "father-to-be"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "father",
        "3": "to-be"
      },
      "expansion": "father + -to-be",
      "name": "suffix"
    }
  ],
  "etymology_text": "father + -to-be",
  "forms": [
    {
      "form": "fathers-to-be",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fathers-to-be"
      },
      "expansion": "father-to-be (plural fathers-to-be)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English nouns with irregular plurals",
        "English terms suffixed with -to-be",
        "English terms with non-redundant non-automated sortkeys",
        "Mandarin terms with redundant transliterations",
        "en:Pregnancy"
      ],
      "glosses": [
        "A male partner of a pregnant woman (mother-to-be), especially when she is pregnant for the first time."
      ],
      "links": [
        [
          "pregnant",
          "pregnant"
        ],
        [
          "woman",
          "woman"
        ],
        [
          "mother-to-be",
          "mother-to-be"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "eu",
      "lang": "Basque",
      "sense": "male partner of a pregnant woman",
      "word": "aitagai"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "male partner of a pregnant woman",
      "word": "準爸爸"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "zhǔnbàba",
      "sense": "male partner of a pregnant woman",
      "word": "准爸爸"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "male partner of a pregnant woman",
      "word": "tuleva isä"
    }
  ],
  "word": "father-to-be"
}