Source : Webster's Revised Unabridged Dictionary (1913)

Scotch terrier \Scotch terrier\ (Zo["o]l.)
   One of a breed of small terriers with long, rough hair.

Source : WordNet®

Scotch terrier
     n : old Scottish breed of small long-haired usually black
         terrier with erect tail and ears [syn: {Scottish terrier},
          {Scottie}]