"sines" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun form"
      },
      "expansion": "sines",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "form_of": [
        {
          "word": "sine"
        }
      ],
      "glosses": [
        "plural of sine"
      ],
      "id": "en-sines-en-noun--rTTX5AJ",
      "links": [
        [
          "sine",
          "sine#English"
        ]
      ],
      "tags": [
        "form-of",
        "plural"
      ]
    },
    {
      "categories": [
        {
          "_dis": "34 66",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "pair of sixes of dice"
      ],
      "id": "en-sines-en-noun-0Dp4WIAv",
      "raw_glosses": [
        "(rare) pair of sixes of dice"
      ],
      "tags": [
        "rare"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/saɪnz/"
    },
    {
      "rhymes": "-aɪnz"
    },
    {
      "homophone": "signs"
    }
  ],
  "word": "sines"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English non-lemma forms",
    "English noun forms",
    "English terms with homophones",
    "Pages with 5 entries",
    "Pages with entries",
    "Rhymes:English/aɪnz",
    "Rhymes:English/aɪnz/1 syllable",
    "West Frisian entries with incorrect language header",
    "West Frisian non-lemma forms",
    "West Frisian pronoun forms"
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun form"
      },
      "expansion": "sines",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "form_of": [
        {
          "word": "sine"
        }
      ],
      "glosses": [
        "plural of sine"
      ],
      "links": [
        [
          "sine",
          "sine#English"
        ]
      ],
      "tags": [
        "form-of",
        "plural"
      ]
    },
    {
      "categories": [
        "English terms with rare senses"
      ],
      "glosses": [
        "pair of sixes of dice"
      ],
      "raw_glosses": [
        "(rare) pair of sixes of dice"
      ],
      "tags": [
        "rare"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/saɪnz/"
    },
    {
      "rhymes": "-aɪnz"
    },
    {
      "homophone": "signs"
    }
  ],
  "word": "sines"
}