"feed water" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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      "alt_of": [
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          "word": "feedwater"
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      "examples": [
        {
          "ref": "1959 September, P. Ransome-Wallis, “The British Railways Class \"9\" 2-10-0s”, in Trains Illustrated, page 420",
          "text": "The feed water enters the back and cool end of the preheater and passes forward to the front and hot end, after which it enters the boiler through a clack valve.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of feedwater."
      ],
      "id": "en-feed_water-en-noun-j84kaU6q",
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          "feedwater",
          "feedwater#English"
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  "word": "feed water"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "word": "feedwater"
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      "examples": [
        {
          "ref": "1959 September, P. Ransome-Wallis, “The British Railways Class \"9\" 2-10-0s”, in Trains Illustrated, page 420",
          "text": "The feed water enters the back and cool end of the preheater and passes forward to the front and hot end, after which it enters the boiler through a clack valve.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of feedwater."
      ],
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          "feedwater",
          "feedwater#English"
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  "word": "feed water"
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