terrier

noun

1. any of several usually small short-bodied breeds originally trained to hunt animals living underground

   noun.animal

   Source: WordNet 3.0

2. An auger or borer.

   noun

   Source: webster1913

3. One of a breed of small dogs, which includes several distinct subbreeds, some of which, such as the Skye terrier and Yorkshire terrier, have long hair and drooping ears, while others, at the English and the black-and-tan terriers, have short, close, smooth hair and upright ears.

   noun

   Source: webster1913