Definitions of bobtail
  1. noun
    a short or shortened tail of certain animals
    synonyms: bob, dock
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    type of:
    the posterior part of the body of a vertebrate especially when elongated and extending beyond the trunk or main part of the body
  2. adjective
    having a short or shortened tail
    bobtail mare”
    synonyms: bobtailed
    caudate, caudated
    having a tail or taillike appendage
  3. noun
    large sheepdog with a profuse shaggy bluish-grey-and-white coat and short tail; believed to trace back to the Roman occupation of Britain
    synonyms: Old English sheepdog
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    type of:
    sheep dog, sheepdog, shepherd dog
    any of various usually long-haired breeds of dog reared to herd and guard sheep
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