Definitions of billy
  1. noun
    male goat
    synonyms: billy goat, he-goat
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    type of:
    caprine animal, goat
    any of numerous agile ruminants related to sheep but having a beard and straight horns
  2. noun
    a short stout club used primarily by policemen
    synonyms: baton, billy club, billystick, nightstick, truncheon
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    type of:
    stout stick that is larger at one end
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