Sentence:  And when the second-best ambition of his life arrived by coach — that notable dog, "Pablo" — if Christopher could have sniffed lightest scent of Beckley, or Shotover, in the black dog- winkles of his nostrils, the odds are ten to one that Oxford never would have sighed (as all through the October term she did) at the loss of her finest <WSD>badgerer</WSD>. 
Meaning of the word marked with <WSD> tags:  A dog used in baiting badgers.