What is a terrier? Terrier definition and information

The definition of a terrier is a type of small dog, characterized by high activity and "fearlessness." Terriers encompass many breeds, rather than a specific type of dog.

A picture of a Boston Terrier, a common breed of terrier

Terrier originate primarily from Ireland and Great Britain, and were used in part for helping in fox hunting. The small dogs helped to corral the foxes and rabbits. Terriers have smooth coats and are small in appearance. A common breed of terriers is the Boston terrier.