"widow monkey" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "New World monkeys",
          "orig": "en:New World monkeys",
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      "glosses": [
        "Either of two small South American monkeys, collared titi (Callicebus torquatus) or yellow-handed titi (Cheracebus lucifer), black except for the dull whitish arms, neck, and face, and a ring of pure white around the face."
      ],
      "id": "en-widow_monkey-en-noun-CurFWydw"
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  "word": "widow monkey"
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      "form": "widow monkeys",
      "tags": [
        "plural"
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      "expansion": "widow monkey (plural widow monkeys)",
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  "lang_code": "en",
  "pos": "noun",
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        "en:New World monkeys"
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      "glosses": [
        "Either of two small South American monkeys, collared titi (Callicebus torquatus) or yellow-handed titi (Cheracebus lucifer), black except for the dull whitish arms, neck, and face, and a ring of pure white around the face."
      ]
    }
  ],
  "word": "widow monkey"
}