- any of a breed of small, short-legged terriers having large, erect ears and a short, white coat with brown or black markings.
noun
- a small short-legged terrier having a white coat with tan, black, or lemon markings: there are rough- and smooth-haired varietiesAlso called: Jack Russell terrier
type of terrier (not recognized as a distinct breed), 1907, named for the Rev. John Russell (1795-1883) of Devonshire, “the sporting parson.”