"rudderfish" meaning in English

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      "expansion": "rudder + fish",
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  "etymology_text": "From rudder + fish.",
  "forms": [
    {
      "form": "rudderfishes",
      "tags": [
        "plural"
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    },
    {
      "form": "rudderfish",
      "tags": [
        "plural"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "Any of various not closely related fish that have the habit of following ships"
      ],
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          "fish",
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          "ship",
          "ship"
        ]
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          "kind": "lifeform",
          "langcode": "en",
          "name": "Stromateoid fish",
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      "glosses": [
        "Any of various not closely related fish that have the habit of following ships",
        "Centrolophus niger, a medusafish, the only member of the genus Centrolophus."
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  ],
  "word": "rudderfish"
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  "etymology_text": "From rudder + fish.",
  "forms": [
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      "glosses": [
        "Any of various not closely related fish that have the habit of following ships",
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      ],
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  "word": "rudderfish"
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