"jer" meaning in English

{
  "etymology_number": 1,
  "forms": [
    {
      "form": "jers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "jer (plural jers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "jerfalcon"
        }
      ],
      "categories": [],
      "glosses": [
        "Short for jerfalcon."
      ],
      "id": "en-jer-en-noun-N9fEJoRe",
      "links": [
        [
          "jerfalcon",
          "jerfalcon#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "jer"
}

{
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ru",
        "3": "ер"
      },
      "expansion": "Russian ер (jer)",
      "name": "der"
    },
    {
      "args": {
        "1": "ru",
        "2": "ерь"
      },
      "expansion": "ерь (jerʹ)",
      "name": "m"
    }
  ],
  "etymology_text": "From Russian ер (jer) or ерь (jerʹ).",
  "forms": [
    {
      "form": "jers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "jer (plural jers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Linguistics",
          "orig": "en:Linguistics",
          "parents": [
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "35 65",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Ultra-short or reduced vowel in Proto- and Late Common Slavonic (or Slavic), then represented as ъ (back jer [ŭ]) or ь (front jer [ĭ])."
      ],
      "id": "en-jer-en-noun-g6cTy07i",
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "Common Slavonic",
          "Common Slavonic"
        ]
      ],
      "raw_glosses": [
        "(linguistics) Ultra-short or reduced vowel in Proto- and Late Common Slavonic (or Slavic), then represented as ъ (back jer [ŭ]) or ь (front jer [ĭ])."
      ],
      "related": [
        {
          "word": "yer"
        },
        {
          "word": "yery"
        }
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "word": "jer"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms derived from Russian"
  ],
  "etymology_number": 1,
  "forms": [
    {
      "form": "jers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "jer (plural jers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "jerfalcon"
        }
      ],
      "categories": [
        "English short forms"
      ],
      "glosses": [
        "Short for jerfalcon."
      ],
      "links": [
        [
          "jerfalcon",
          "jerfalcon#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "jer"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms derived from Russian"
  ],
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ru",
        "3": "ер"
      },
      "expansion": "Russian ер (jer)",
      "name": "der"
    },
    {
      "args": {
        "1": "ru",
        "2": "ерь"
      },
      "expansion": "ерь (jerʹ)",
      "name": "m"
    }
  ],
  "etymology_text": "From Russian ер (jer) or ерь (jerʹ).",
  "forms": [
    {
      "form": "jers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "jer (plural jers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "yer"
    },
    {
      "word": "yery"
    }
  ],
  "senses": [
    {
      "categories": [
        "en:Linguistics"
      ],
      "glosses": [
        "Ultra-short or reduced vowel in Proto- and Late Common Slavonic (or Slavic), then represented as ъ (back jer [ŭ]) or ь (front jer [ĭ])."
      ],
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "Common Slavonic",
          "Common Slavonic"
        ]
      ],
      "raw_glosses": [
        "(linguistics) Ultra-short or reduced vowel in Proto- and Late Common Slavonic (or Slavic), then represented as ъ (back jer [ŭ]) or ь (front jer [ĭ])."
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "word": "jer"
}