Artificial intelligent assistant

twitter-bone

twitter-bone dial. or Obs.
  [var. of quitter-bone, quitter n.1 4.]
  A suppurating tumour on a horse's foot. Hence twitter-boned a., affected with a twitter-bone.

1688 Lond. Gaz. No. 2395/4 A yellowish bay Horse,..a Twitterbone taken out of each hind Foot. 1759 Sterne Tr. Shandy I. x, His horse was either clapp'd, or..twitter-bon'd, or broken-winded. 1828 Craven Gloss., Twitter-bone, an excrescence on a horse's hoof.

Oxford English Dictionary

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