Sc. and Anglo-Irish. Also weid. [The first syllable of weeden- WEDENONFA’, wrongly analysed as weed an’ onfa’ (see quot. c. 1830).] A sudden febrile attack; esp. a kind of puerperal fever.

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1790.  A. Duncan, Med. Comm., Dec. II. V. 300. It may be difficult, therefore, in the beginning, to distinguish puerperal fever from accumulations of fæces in the alimentary canal, especially if joined to an Ephemera, or Weed.

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1818.  Scott, Br. Lamm., xii. Dinna ye hear the bairn greet? I’se warrant it’s that dreary weid has come ower’t again.

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1819.  Edin. Mag., March, 220. There to appearance she still lay, very sick of a lever, incident to women in her situation, and here termed a weed.

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1830.  Carleton, Traits Irish Peas. (1843), I. 308. Besides, I’m a bit bothered on both sides of my head, ever since I had that weary weid.

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c. 1830.  in Proc. Berwick. Nat. Club (1916), 86. Ephemeral colds, vulgarly called weeds and onfas.

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1902.  Brit. Med. Jrnl., 19 July, 209. A touch of the ‘weed’ (or weid), which means a sudden febrile attack.

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  b.  A feverish disease in cattle.

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1811.  J. Trotter, Agr. Surv. W. Lothian, 168. Milch cows, however, are not unfrequently subject to what is here called a weed, which is a kind of feverish affection.

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1851.  Jrnl. R. Agric. Soc., XII. II. 523. Irritation and inflammation of the absorbent vessels and glands … constituting the disease termed weed [in horses].

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